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Results
①本,②特許,③投稿論文,④プロシーディングス,⑤解説・総説,⑥国際会議発表,⑦国内会議発表,⑧その他・研究会についての成果リストです. どの成果にも学生さんとの思い出が詰まっています.
01Books
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A novel algorithm to create quantitative X-ray images based on precise analysis of polychromatic X-ray attenuation
Natsumi KIMOTO, Hiroaki HAYASHI, Rina NISHIGAMI, Daiki KOBAYASHI, Tatsuya MAEDA, Akitoshi KATSUMATA
Emerging Radiation Detection: Technology and Applications (edited by Krzysztof Iniewski and Harish Gadey), Chapter 5, pp.69-98, Springer, 2024
ISBN:978-3-031-63896-1
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Impact of blurring correction method in quantitative image analysis using energy-resolving photon counting detector (ERPCD)
Hiroaki HAYASHI, Daiki KOBAYASHI, Rina NISHIGAMI, Natsumi KIMOTO, Tatsuya MAEDA, Takashi ASAHARA
CdTe and CdZnTe Materials: Material Properties and Applications (edited by Krzysztof Iniewski), Chapter 14, pp.233-255, Springer, 2024
ISBN:978-3-031-64520-4
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Quantitative Analysis Methodology of X-Ray Attenuation for Medical Diagnostic Imaging: Algorithm to Derive Effective Atomic Number and Soft Tissue and Bone Images
Natsumi KIMOTO, Hiroaki HAYASHI, Cheonghae LEE, Tatsuya MAEDA, Daiki KOBAYASHI, Rina NISHIGAMI, Akitoshi KATSUMATA
Photon Counting Computed Tomography: Clinical Applications, Image Reconstruction and Material Discrimination (edited by Scott Hsieh and Kris Iniewski), Chapter 11, pp.219-245, Springer, 2023
ISBN:978-3-031-26061-2
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Algorithm for Generating Effective Atomic Number, Soft-Tissue, and Bone Images Based on Analysis Using an Energy-Resolving Photon-Counting Detector
Natsumi KIMOTO, Hiroaki HAYASHI, Cheonghae LEE, Tatsuya MAEDA, Akitoshi KATSUMATA
Advanced X-Ray Radiation Detection: Medical Imaging and Industrial Applications (edited by Kris Iniewski), Chapter 4, pp.75-106, Springer, 2022
ISBN:978-3-030-92988-6
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Photon Counting Detectors for X-ray Imaging: Physics and Applications
Hiroaki HAYASHI, Natsumi KIMOTO, Takashi ASAHARA, Takumi ASAKAWA, Cheonghae LEE, Akitoshi KATSUMATA
Chapter 1-5, pp.1-119, Springer, 2021
ISBN:978-3-030-62679-2
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Importance of Considering the Physics of a Multi-Pixel-Type Photon Counting Detector Towards the Development of a Novel Medical X-Ray Imaging Method Based on Material Identification
Hiroaki HAYASHI, Natsumi KIMOTO, Takumi ASAKAWA, Akitoshi KATSUMATA
Advances in Medicine and Biology. Volume 141: edited by Leon V. Berhardt, Chapter 1 (46 pages), Nova Science Publishers, Inc., 2019
ISBN: 978-1-53615-637-9
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Theoretical Consideration of the Response Function of a Two-Dimensional CdTe Detector
Hiroaki HAYASHI
Semiconductor Radiation Detectors, Technology, and Applications 1st edition : edited by Salim Reza, Chapter 4 (pp.85-108), CRC press, 2017
ISBN:9781138710344
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02Patents
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放射線検出器
後藤聡汰,髙久圭二,林裕晃
特願2024-087445
2024
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CT撮影に用いる放射線遮蔽体の性能評価方法
林裕晃,前田達哉,淺原孝,小林大空,西上莉奈,竹上和希,後藤聡汰,真木基允,小西武四,村上修一,森本真一
特願2024-000808
2024
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IMAGE PROCESSING METHOD AND IMAGE PROCESSING DEVICE
Shuichiro Yamamoto, Natsumi Kimoto, Hiroaki Hayashi, Daiki Kobayashi
No.18/536,424(米国特許出願)
2023
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画像処理方法および画像処理装置
山本修一郎,紀本夏実,林裕晃,小林大空
特願2023-188474
2023
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X線CT検査における被曝線量実測値をCT画像を援用して解析するシステム
林裕晃,竹上和希,前田達哉,淺原孝,後藤聡汰,西上莉奈,小林大空
国内優先権出願(特願2023-043229の修正):特願2023-111491, 特開2024-132783
2023
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X線CT検査における被曝線量実測値をCT画像を援用して解析するシステム
林裕晃,竹上和希,前田達哉,淺原孝,後藤聡汰
特願2023-043229
2023
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X線遮蔽シート
林裕晃,前田達哉,真木基允,小西武四,村上修一
実願2022-004007,実登3241118
2022
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放射線計測システム
林裕晃,淺原孝,前田達哉,小林大空
特願2022-123220,特開2024-020779
2022
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X線CT検査用の首巻き型甲状腺防護カバー
前田達哉,竹上和希,林裕晃,真木基允,村上修一,田中豊,森本真一
実願2021-3549,実録3234936
2021
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骨密度測定用X線遮蔽シート
林裕晃,前田達哉,安藤未来,真木基允,田中豊,小西武四
実願2021-002736,実登3234043
2021
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X射線屏蔽片
林裕晃,竹上和希,前田達哉,真木基允,小西武四,村上修一
第110202838号(台湾での実用新案)
2021
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X射线屏蔽片
林裕晃,竹上和希,前田達哉,真木基允,小西武四,村上修一
第ZL 2021 2 0589923.0号(中国での実用新案)
2021
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チェッキング素子の製造方法
山口英俊,清水森人,後藤聡汰,林裕晃,関口寛,秋野隆二
特願2021-055388,特開2022-152569
2021
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検出器の校正装置および校正方法
山本修一郎,岡田雅宏,山崎雅志,橋本大輔,林裕晃,紀本夏実
(国際出願), JP0-PAS i410, PCT/JP2021/010034(米国)
2021
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アーチファクトを低減可能なX線遮蔽シート
林裕晃,竹上和希,前田達哉,真木基允,小西武四,村上修一
特願2020-67902,特開2021-146162
2020
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X線遮蔽シート
林裕晃,前田達哉,真木基允,小西武四,村上修一
特願2020-105659,特開2021-135278
2020
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放射線線量計
林裕晃,淺原孝,前田達哉
特願2019-195607,特開2021-067650
2019
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放射線線量計
林裕晃,後藤聡汰,冨田恵美
特願2019-055791,特開2020-076729,特許7220907
2018
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03Papers
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Helpfulness of effective atomic number image in forensic dental identification: photon-counting computed tomography is suitable
Takashi ASAHARA, Shunsuke OKADA, Hiroaki HAYASHI, Tatsuya MAEDA, Rina NISHIGAMI, Daiki KOBAYASHI, Chihiro KUROSE, Natsumi KIMOTO, Sota GOTO, Miki HISATOMI, Yoshinobu YANAGI, Toshihiro IGUCHI
Computers in Biology and Medicine 184, 109333(12 pages), 2025
DOI:10.1016/j.compbiomed.2024.109333
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Effectiveness of an X-ray shielding sheet with lower shielding ability to enable both bone mineral density determination and morphological diagnosis
Tatsuya MAEDA, Hiroaki HAYASHI, Miku ANDO, Rina NISHIGAMI, Daiki KOBAYASHI, Takashi ASAHARA, Sota GOTO, Natsumi KIMOTO, Kazuki TAKEGAMI, Kazuta YAMASHITA, Kosaku HIGASHINO, Shuichi MURAKAMI, Takeshi KONISHI, Motochika MAKI
Radiation Measurements, 176, 107219(10 pages), 2024
DOI:10.1016/j.radmeas.2024.107219"
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A suitable procedure of dose reduction factor measurements of X-ray shields during computed tomography examination - the importance of considering positional changes of an X-ray tube -
Hiroaki HAYASHI, Tatsuya MAEDA, Kazuki TAKEGAMI, Rina NISHIGAMI, Daiki KOBAYASHI, Takashi ASAHARA, Sota GOTO, Natsumi KIMOTO, Yuki KANAZAWA, Kazuta YAMASHITA, Kosaku HIGASHINO, Shuichiro MURAKAMI, Takeshi KONISHI, Motochika MAKI
Radiation Physics and Chemistry, 222, 111880(11 pages), 2024.
DOI:10.1016/j.radphyschem.2024.111880
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Beam quality conversion factor of BeO-OSLD for high-energy photon beams
Miku ANDO, Hiroaki HAYASHI, Sota GOTO, Hidetoshi YAMAGUCHI, Morihito SHIMIZU
Radiation Measurements, 175, 107164, 2024.
DOI:10.1016/j.radmeas.2024.107164
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Evaluation of lower detection limit and performance analyses related to the incident angle of X-rays and absolute dose using a triple-type dosimeter
Takashi ASAHARA, Hiroaki HAYASHI, Tatsuya MAEDA, Daiki KOBAYASHI, Rina NISHIGAMI, Sota GOTO, Miku ANDO, Natsumi KIMOTO, Yuki KANAZAWA, Kazuta YAMASHITA
Radiation Measurements 175, 107148(9 pages), 2024.
DOI:10.1016/j.radmeas.2024.107148
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A Blurring Correction Method Suitable to Analyze Quantitative X-ray Images Derived from Energy-Resolving Photon Counting Detector
Daiki KOBAYASHI, Hiroaki HAYASHI, Rina NISHIGAMI, Tatsuya MAEDA, Takashi ASAHARA, Yuki KANAZAWA, Akitoshi KATSUMATA, Natsumi KIMOTO, Shuichiro YAMAMOTO
Physics in Medicine and Biology 69, 075023(16 pages), 2024.
DOI:10.1088/1361-6560/ad3119
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Conversion Map from Quantitative Parameter Mapping to Myelin Water Fraction: Comparison with R1·R2* and Myelin Water Fraction in White Matter
Shyun KITANO, Yuki KANAZAWA, Masafumi HARADA, Yo TANIGUCHI, Hiroaki HAYASHI, Yuki MATSUMOTO, Kosuke ITO, Yoshitaka BITO, Akihiro HAGA
Magnetic Resonance Materials in Physics, Biology and Medicine, 1155(12 pages), 2024
DOI:10.1007/s10334-024-01155-w
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Differences of white matter structure for diffusion kurtosis imaging using voxel-based morphometry and connectivity analysis
Yuki KANAZAWA, Natsuki IKEMITSU, Yuki KINJYO, Masafumi HARADA, Hiroaki HAYASHI, Yo TANIGUCHI, Kosuke ITO, Yoshitaka BITO, Yuki MATSUMOTO, Akihiro HAGA
BJR Open 6(1), tzad003(7pages), 2024
DOI:10.1093/bjro/tzad003
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Determination of Alzheimer's disease based on morphology and atrophy using machine learning combined with automated segmentation
Natsuki IKEMITSU, Yuki KANAZAWA, Akihiro HAGA, Hiroaki HAYASHI, Yuki MATSUMOTO, Masafumi HARADA
Acta Radiologica 65: 359-366, 2024
DOI:10.1177/02841851231218384
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Simplified assessment for chemical exchanged saturation transfer (CEST) imaging: local offset frequency and CEST effect
Daiki CHIBA, Yuki KANAZAWA, Tosiaki MIYATI, Masafumi HARADA, Mitsuharu MIYOSHI, Hiroaki HAYASHI, Akihiro HAGA
Radiological Physics and Technology, 17, 93-102, 2024
DOI:10.1007/s12194-023-00752-z
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Performance of elastic X-ray shield made by embedding Bi2O3 particles in porous polyurethane
Tatsuya MAEDA, Hiroaki HAYASHI, Miku ANDO, Daiki KOBAYASHI, Rina NISHIGAMI, Takashi ASAHARA, Sota GOTO, Cheonghae LEE, Kazuta YAMASHITA, Kosaku HIGASHINO, Takeshi KONISHI, Shuichi MURAKAMI, Motochika MAKI
Medical Physics 51(2), 1061-1073, 2023
DOI:10.1002/mp.16889
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Radiation exposure doses to the surgical team during hip surgery is significantly higher during lateral imaging than posteroanterior imaging: a cadaveric simulation study
Yasuaki TAMAKI, Kazuta YAMASHITA, Daiki NAKAJIMA, Yasuyuki OMICHI, Yoshinori TAKAHASHI, Michihiro TAKAI, Shunsuke TAMAKI, Tomohiro GOTO, Hiroaki HAYASHI, Kosaku HIGASHINO, Yoshihiro TSURUNO, Koichi SAIRYO
Journal of Occupational Medicine and Toxicology, 18:27(6 pages), 2023
DOI:10.1186/s12995-023-00396-0
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A wearable active-type X-ray dosimeter having novel functions to derive both incident direction and absolute exposure dose
Takashi ASAHARA, Hiroaki HAYASHI, Tatsuya MAEDA, Sota GOTO, Daiki KOBAYASHI, Rina NISHIGAMI, Cheonghae LEE, Miku ANDO, Yuki KANAZAWA, Satoshi IMAJO, Kazuta YAMASHITA, Kosaku HIGASHINO
Radiation Physics and Chemistry, 208, 110932(11 pages), 2023
DOI:10.1016/j.radphyschem.2023.110932
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Signal-stabilized Al2O3:C-OSL dosimeter "checking chip" for correcting OSL reader sensitivity variation
Sota GOTO, Hiroaki HAYASHI, Hidetoshi YAMAGUCHI, Ryuji AKINO, Morihito SHIMIZU
Radiation Measurements, 160, 106893 (8 pages), 2023
DOI:10.1016/j.radmeas.2022.106893
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A cadaveric simulation study of radiation exposure to the surgical team during fluoroscopic spinal surgery: How much are we exposed?
Kazuta YAMASHITA, Yasuaki TAMAKI, Daiki NAKAJIMA, Yasuyuki OMICHI, Yoshinori TAKAHASHI, Michihiro TAKAI, Tomohiro GOTO, Hiroaki HAYASHI, Kosaku HIGASHINO, Yoshihiro TSURUNO, Koichi SAIRYO
Spine Surgery and Related Research, Volume 7, pp.341-349, 2023
DOI:10.22603/ssrr.2022-0184
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Thyroid dose reduction shield with the generation of less artifacts used for fast chest CT examination
Kazuki TAKEGAMI, Hiroaki HAYASHI, Tatsuya MAEDA, Cheonghae LEE, Rina NISHIGAMI, Takashi ASAHARA, Sota GOTO, Daiki KOBAYASHI, Miku ANDO, Yuki KANAZAWA, Kazuta YAMASHITA, Kosaku HIGASHINO, Shuichi MURAKAMI, Takeshi KONISHI, Motochika MAKI
Radiation Physics and Chemistry, 203, 110635(12 pages), 2023
DOI:10.1016/j.radphyschem.2022.110635
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Myelin-weighted imaging derived from quantitative parameter mapping
Yuki KANAZAWA, Masafumi HARADA, Yo TANIGUCHI, Hiroaki HAYASHI, Takeshi ABE, Maki OTOMO, Yuki MATSUMOTO, Masaharu ONO, Yoshitaka BITO, Akihiro HAGA
European Journal of Radiology, 156, pp.110525 (9 pages), 2022
DOI:10.1016/j.ejrad.2022.110525
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Experimental study of X-ray dose reduction factor when using various size bismuth and lead particles
Tatsuya MAEDA, Hiroaki HAYASHI, Cheonghae LEE, Miku ANDO, Kazuki TAKEGAMI, Natsumi KIMOTO, Takeshi KONISHI, Shuichi MURAKAMI, Motochika MAKI, Kazuta YAMASHITA, Kosaku HIGASHINO
Radiation Physics and Chemistry, 195, 110049(11 pages), 2022
DOI:10.1016/j.radphyschem.2022.110049
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Author Correction: Direct measurement of radiation exposure dose to individual organs during diagnostic computed tomography examination
Kazuta YAMASHITA, Kosaku HIGASHINO, Hiroaki HAYASHI, Kazuki TAKEGAMI, Fumio HAYASHI, Yoshihiro TSURUNO, Koichi SAIRYO
Scientific Report, 12, 5035(3 pages), 2022
DOI:10.1038/s41598-022-08891-w
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Influence of distant scatterer on air kerma measurement in the evaluation of diagnostic X-rays using Monte Carlo simulation
Masahide TOMINAGA, Yukari NAGAYASU, Motoharu SASAKI, Takuya FURUTA, Hiroaki HAYASHI, Masataka OITA, Yuichi NISHIYAMA, Akihiro HAGA
Radiological Physics and Technology, 14, 381-389, 2021
DOI:10.1007/s12194-021-00641-3
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A novel algorithm for extracting soft-tissue and bone images measured using a photon-counting type X-ray imaging detector with the help of effective atomic number analysis
Natsumi KIMOTO, Hiroaki HAYASHI, Cheonghae LEE, Tatsuya MAEDA, Miku ANDO, Yuki KANAZAWA, Akitoshi KATSUMATA, Shuichiro YAMAMOTO, Masahiro OKADA
Applied Radiation and Isotopes, 176, 109822(12 pages), 2021
DOI:10.1016/j.apradiso.2021.109822
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A disposable OSL dosimeter for in-vivo measurement of rectum dose during brachytherapy
Hiroaki HAYASHI, Natsumi KIMOTO, Tatsuya MAEDA, Emi TOMITA, Takashi ASAHARA, Sota GOTO, Yuki KANAZAWA, Yasufumi SHITAKUBO, Kanako SAKURAGAWA, Hitoshi IKUSHIMA, Tohru OKAZAKI, Takuya HASHIZUME
Medical Physics, 48(8), 4621-4635, 2021
DOI:10.1002/mp.14857
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Direct measurement of radiation exposure dose to individual organs during diagnostic computed tomography examination: A cadaveric study
Kazuta YAMASHITA, Kosaku HIGASHINO, Hiroaki HAYASHI, Kazuki TAKEGAMI, Fumio HAYASHI, Yoshihiro TSURUNO, Koichi SAIRYO
Scientific Report, 11(1):5435(10 pages), 2021
DOI:10.1038/s41598-021-85060-5
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Effective atomic number image determination with an energy-resolving photon-counting detector using polychromatic X-ray attenuation by correcting for the beam hardening effect and detector response
Natsumi KIMOTO, Hiroaki HAYASHI, Takumi ASAKAWA, Cheonghae LEE, Takashi ASAHARA, Tatsuya MAEDA, Sota GOTO, Yuki KANAZAWA, Akitoshi KATSUMATA, Shuichiro YAMAMOTO, Masahiro OKADA
Applied Radiation and Isotopes, 170, 109617(14 pages), 2021
DOI:10.1016/j.apradiso.2021.109617
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Evaluation of calibration factor of OSLD toward eye lens exposure dose measurement of medical staff during IVR
Takashi ASAHARA, Hiroaki HAYASHI, Sota GOTO, Natsumi KIMOTO, Kazuki TAKEGAMI, Tatsuya MAEDA, Yuki KANAZAWA, Tohru OKAZAKI, Takuya HASHIZUME
Journal of Applied Clinical Medical Physics, 21(11), 263-271, 2020
DOI:10.1002/acm2.13042
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Quantitative analysis of vibration waves based on Fourier transform in magnetic resonance elastography
Ikuho KOSAKA, Yuki KANAZAWA, Kotaro BABA, Hiroaki HAYASHI, Masafumi HARADA
Radiological Physics and Technology, 13, 268-275, 2020
DOI:10.1007/s12194-020-00579-y
An idea to reduce angular dependence of dosimeter having a disk-shaped detection region
Sota GOTO, Hiroaki HAYASHI, Takashi ASAHARA, Natsumi KIMOTO, Emi TOMITA, Kazuki TAKEGAMI, Takumi ASAKAWA, Yuki KANAZAWA, Tohru OKAZAKI, Takuya HASHIZUME
Radiation Measurements, 137, 106323(9pages), 2020
DOI:10.1016/j.radmeas.2020.106323
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Appropriate echo time selection for quantitative susceptibility mapping
Yuki KANAZAWA, Yuki MATSUMOTO, Masafumi HARADA, Hiroaki HAYASHI, Tsuyoshi MATSUDA, Hideki Otsuka
Radiological Physics and Technology, 12(2), pp.185–193, 2019
DOI:10.1007/s12194-019-00513-x
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Evaluation of gamma-ray disturbing effect on readout of charged particle tracks using fluorescent nuclear track detector (FNTD)
Takuya HASHIZUME, Tohru OKAZAKI, Toshiya SANAMI, Masayuki HAGIWARA, Hideaki MONJUSHIRO, Hiroaki HAYASHI, Ikuo KOBAYASHI
Radiation Measurements, 122, pp.22-28, 2019
DOI:10.1016/j.radmeas.2018.12.001
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口内法撮影における受像体周囲の線量の推定-手指および撮影補助具による受像体保持方法の比較-
西山航,林裕晃,岩田哲成,泉雅浩,横谷隆二,有地榮一郎,岡崎徹,勝又明敏
歯科放射線; 58(2), pp.66-72, 2019
DOI:10.11242/dentalradiology.58.66
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Applicability of a Practical Calibration for the Small-type OSL Dosimeter for Measuring Doses from Direct X-rays and Penetrating X-rays Affected by Scattered Radiation
Tohru OKAZAKI, Hiroaki HAYASHI, Yoshiki MIHARA, Takashi ASAHARA, Natsumi KIMOTO, Yuki KANAZAWA, Kosaku HIGASHINO, Kazuta YAMASHITA, Sumi YOKOYAMA, Kazuki TAKEGAMI, Takuya HASHIZUME, Vergil LE CRUZ, Ikuo KOBAYASHI
Progress in Nuclear Science and Technology, 6, pp.22-25, 2019
DOI:10.15669/pnst.6.22
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Development of Novel Rectum Dosimeter using OSL sheet with the aim of Direct Dose Measurement of Organ Dose during Brachytherapy
Takashi ASAHARA, Hiroaki HAYASHI, Emi TOMITA, Kanako SAKURAGAWA, Hiroshi SAEGUSA, Yasufumi SHITAKUBO, Hitoshi IKUSHIMA, Yuki KANAZAWA, Yoshiki MIHARA, Yoshinori MIYAHARA, Tohru OKAZAKI, Takuya HASHIZUME, Vergil LE CRUZ
Progress in Nuclear Science and Technology, 6, pp.30-33, 2019
DOI:10.15669/pnst.6.30
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Direct Dose Measurement of Patients during Pediatric Computed Tomography Examination
Hiroaki HAYASHI, Emi TOMITA, Sota GOTO, Natsumi KIMOTO, Keiji TADA, Ryosuke KASAI, Yuki KANAZAWA, Yoshiki MIHARA, Takashi ASAHARA, Tohru OKAZAKI, Takuya HASHIZUME, Vergil LE CRUZ
Progress in Nuclear Science and Technology, 6, pp.18-21, 2019
DOI:10.15669/pnst.6.18
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Energy and Angular Dependence of the Small-Type OSL Dosimeter in Nuclear Medicine Regions using Monte Carlo Simulation
Vergil LE CRUZ, Tohru OKAZAKI, Hiroaki HAYASHI, Yoshiki MIHARA, Takashi ASAHARA, Natsumi KIMOTO, Hiroki OKINO, Yuki KANAZAWA, Takuya HASHIZUME, Ikuo KOBAYASHI
Progress in Nuclear Science and Technology, 6, pp.34-38, 2019
DOI:10.15669/pnst.6.34
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Direct Radiation Dose Measurement of Rectum during High-Dose-Rate 192Ir Brachytherapy for Cervical Cancer Treatment
Emi TOMITA, Hiroaki HAYASHI, Takashi ASAHARA, Kanako SAKURAGAWA, Yasufumi SHITAKUBO, Hiroshi SAEGUSA, Hitoshi IKUSHIMA, Yuki KANAZAWA, Sota GOTO, Tohru OKAZAKI, Takuya HASHIZUME, Vergil LE CRUZ
Progress in Nuclear Science and Technology, 6, pp.39-42, 2019
DOI:10.15669/pnst.6.39
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Exposure dose measurement during diagnostic pediatric X-ray examination using an optically stimulated luminescence (OSL) dosimeter based on precise dose calibration taking into consideration variation of X-ray spectra
Takashi ASAHARA, Hiroaki HAYASHI, Sota GOTO, Emi TOMITA, Natsumi KIMOTO, Yoshiki MIHARA, Takumi ASAKAWA, Yuki KANAZAWA, Akitoshi KATSUMATA, Kosaku HIGASHINO, Kazuta YAMASHITA, Tohru OKAZAKI, Takuya HASHIZUME
Radiation Measurements, 119, pp.209-219, 2018
DOI: 10.1016/j.radmeas.2018.10.007
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Development of correction for signal-to-noise ratio using a T2* with improved Phase method
Natsuki IKEMITSU, Yuki KANAZAWA, Yuki MATSUMOTO, Hiroaki HAYASHI, Toshiaki SASAKI, Mitsuharu MIYOSHI, Masafumi HARADA
Journal of Computer Assisted Tomography, Vol.42, No.1, pp.117-123, 2018
DOI:10.1097/RCT.0000000000000644
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Pulsation and collimation during fluoroscopy to decrease radiation: a cadaver study
Kazuta YAMASHITA, Kosaku HIGASHINO, Hiroaki HAYASHI, Fumio HAYASHI, Yoshihiro FUKUI, Koichi SAIRYO
JBJS Open Access, Vol.2, No.4, p.e0039, 2017
DOI:10.2106/JBJS.OA.17.00039
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Internal evaluation of impregnation treatment of waterlogged wood; relation between concentration of internal materials and relaxation time using magnetic resonance imaging
Yuki KANAZAWA, Tetsuya YAMADA, Aki KIDO, Koji FUJIMOTO, Kyoko TAKAKURA, Hiroaki HAYASHI, Yasutaka FUSHIMI, Satoshi KOZAWA, Koji KOIZUMI, Makiko OKUNI, Naomi UEDA, Kaori TOGASHI
Magnetic Resonance Imaging, Vol.38, pp.196-201, 2017
DOI:10.1016/j.mri.2017.01.010
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Precise material identification method based on a photon counting technique with correction of the beam hardening effect in X-ray spectra
Kimoto NATSUMI, Hiroaki HAYASHI, Asahara TAKASHI, Mihara YOSHIKI, Yuki KANAZAWA, Tsutomu YAMAKAWA, Shuichiro YAMAMOTO, Masashi YAMASAKI, Masahiro OKADA
Applied Radiation and Isotopes, Vol.124, pp.16-26, 2017
DOI:10.1016/j.apradiso.2017.01.049
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Entrance surface dose measurements using a small OSL dosimeter with a computed tomography scanner having 320 rows of detectors
Kazuki TAKEGAMI, Hiroaki HAYASHI, Kenji YAMADA, Yoshiki MIHARA, Natsumi KIMOTO, Yuki KANAZAWA, Kousaku HIGASHINO, Kazuta YAMASHITA, Fumio HAYASHI, Tohru OKAZAKI, Takuya HASHIZUME, Ikuo KOBAYASHI
Radiological Physics and Technology, Vol.10, No.1, pp.49-59, 2017
DOI:10.1007/s12194-016-0366-1
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Necessity of Direct Dose Measurement during Current X-ray Diagnosis, --- Our Approach Using a Small-type OSL Dosimeter ---
Hiroaki HAYASHI, Yoshiki MIHARA, Yuki KANAZAWA, Emi TOMITA, Sota GOTO, Kazuki TAKEGAMI, Tohru OKAZAKI, Takuya HASHIZUME, Vergil EL CRUZ
Medical Research Archives, Vol.5, No.2, pp.1-20, 2017
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Visualization of magnetic transfer effect in polyethylene glycol impregnated waterlogged wood
Yuki KANAZAWA, Tetsuya YAMADA, Aki KIDO, Koji FUJIMOTO, Kyoko TAKAKURA, Hiroaki HAYASHI, Yasutaka FUSHIMI, Satoshi KOZAWA, Koji KOIZUMI, Makiko OKUNI, Naomi UEDA, Kaori TOGASHI
Applied Magnetic Resonance, Vol.48, No.2, pp.125-134, 2017
DOI:10.1007/s00723-016-0850-0
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Uncertainty evaluation of fluorescent nuclear track detectors (FNTDs) for neutron dose measurements
Takuya HASHIZUME, Tohru OKAZAKI, Toshiya SANAMI, Masayuki HAGIWARA, Hideaki MONJUSHIRO, Hiroaki HAYASHI, Ikuo KOBAYASHI
Radiation Measurements, 106, pp.602-606, 2017
DOI:10.1016/j.radmeas.2017.03.044
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Uncertainty evaluation of absorbed dose measurements by means of small-type OSL dosimeter for radiotherapeutic X-ray region
Masahide TOMINAGA, Hiroaki HAYASHI, Akinori MATSUMOTO, Natsumi KIMOTO, Tohru OKAZAKI, Takuya HASHIZUME, Ikuo KOBAYASHI
Medical Imaging and Information Sciences, Vol.33, No.2, pp.32-37, 2016
DOI:10.11318/mii.33.32
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Estimation of identification limit for a small-type OSL dosimeter on the medical images by measurement of X-ray spectra
Kazuki TAKEGAMI, Hiroaki HAYASHI, Hiroki OKINO, Natsumi KIMOTO, Itsumi MAEHATA, Yuki KANAZAWA, Tohru OKAZAKI, Takuya HASHIZUME, Ikuo KOBAYASHI
Radiological Physics and Technology, Vol.9, No.2, pp.282-292, 2016
DOI:10.1007/s12194-016-0362-5
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Basic characteristics of nanoDot OSL dosimeter for diagnostic X-ray
Tohru OKAZAKI, Hiroaki HAYASHI, Kazuki TAKEGAMI, Hiroki OKINO, Natsumi KIMOTO, Itsumi MAEHATA, Ikuo KOBAYASHI
Journal of Radiation Protection and Research, Vol.41, No.3, pp.229-236, 2016
DOI:10.14407/jrpr.2016.41.3.229
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Simple noise reduction for diffusion weighted images
Yuto KONISHI, Yuki KANAZAWA, Takatoshi USUDA, Yuki MATSUMOTO, Hiroaki HAYASHI, Tsuyoshi MATSUDA, Junji UENO, Masafumi HARADA
Radiological Physics and Technology, Vol.9, No.2, pp.221-226, 2016
DOI:10.1007/s12194-016-0350-9
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On the iteration of coincidence summing correction for determination of gamma-ray intensities
Yosuke SHIMA, Hiroaki HAYASHI, Yasuaki KOJIMA, Ryouta JYOUSYOU, Michihiro SHIBATA
Applied Radiation and Isotopes, Vol.109, pp.535-538, 2016
DOI:10.1016/j.apradiso.2015.11.035
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Energy dependence measurement of small-type optically stimulated luminescence (OSL) dosimeter by means of characteristic X-rays induced with general diagnostic X-ray equipment
Kazuki TAKEGAMI, Hiroaki HAYASHI, Hiroki OKINO, Natsumi KIMOTO, Itsumi MAEHATA, Yuki KANAZAWA, Tohru OKAZAKI, Takuya HASHIZUME, Ikuo KOBAYASHI
Radiological Physics and Technology, Vol.9, No.1, pp.99-108, 2016
DOI:10.1007/s12194-015-0339-9
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Practical method for determination of air-kerma by using an ionization chamber toward the construction of secondary X-ray field to be used in clinical examination rooms
Itsumi MAEHATA, Hiroaki HAYASHI, Natsumi KIMOTO, Kazuki TAKEGAMI, Hiroki OKINO, Yuki KANAZAWA, Masahide TOMINAGA
Radiological Physics and Technology, Vol.9, No.2, pp.193-201, 2016
DOI:10.1007/s12194-016-0352-7
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Clinical Approach of T1-mapping for Hemodynamic Analysis
Yuki KANAZAWA, Hiroaki HAYASHI, Masafumi HARADA
Medical Imaging and Information Sciences, Vol.32, No.4, pp.xxvi-xxix, 2015
DOI:10.11318/mii.32.xxvi
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Practical calibration curve of small-type optically stimulated luminescence (OSL) dosimeter for evaluation of entrance-skin dose in the diagnostic X-ray region
Kazuki TAKEGAMI, Hiroaki HAYASHI, Hiroki OKINO, Natsumi KIMOTO, Itsumi MAEHATA, Yuki KANAZAWA, Tohru OKAZAKI, Ikuo KOBAYASHI
Radiological Physics and Technology, Vol.8, No.2, pp.286-294, 2015
DOI:10.1007/s12194-015-0318-1
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β- Decay of 150Ce to Odd Odd 150Pr
Yasuaki KOJIMA, Kazuto KOSUGA, Yosuke SHIMA, Akihiro TANIGUCHI, Hiroaki Hayashi and Michihiro SHIBATA :
Journal of the Physical Society of Japan, Vol.84, pp.054201-1-8, 2015
DOI:10.7566/JPSJ.84.054201
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Procedure to measure angular dependences of personal dosimeters by means of diagnostic X-ray equipment
Hiroaki HAYASHI, Kazuki TAKEGAMI, Hiroki OKINO, Kohei NAKAGAWA, Tohru OKAZAKI, Ikuo KOBAYASHI
Medical Imaging and Information Sciences, Vol.32, No.1, pp.8-14, 2015
DOI:10.11318/mii.32.8
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診断用X線撮影装置を用いたCdTe検出器の応答関数の実測とモンテカルロシミュレーションコードの評価
沖野 啓樹, 林 裕晃, 中川 滉平, 竹上 和希
日本放射線技術学会雑誌, Vol.70, No.12, 1381-1391頁, 2014年
DOI:10.6009/jjrt.2014_JSRT_70.12.1381
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Optically Stimulated Luminescence (OSL)線量計のアニーリング装置の製作
中川 滉平, 林 裕晃, 沖野 啓樹, 竹上 和希, 岡崎 徹, 小林 育夫
日本放射線技術学会雑誌, Vol.70, No.10, 1135-1142頁, 2014年
DOI:10.6009/jjrt.2014_JSRT_70.10.1135
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Computed radiographyシステムの入出力特性を取得するための改良型マルチスリット装置の製作, --- ヒール効果の影響の補正と高管電圧実験への適用 ---
前畑 伊採, 林 裕晃, 竹上 和希, 氏田 将平, 紀本 夏実, 小西 有貴, 福田 郁磨
日本放射線技術学会雑誌, Vol.70, No.9, 867-876頁, 2014年
DOI:10.6009/jjrt.2014_JSRT_70.9.867
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Determination of full-energy peak efficiency at the center position of a through-hole-type clover detector between 0.05 and 3.2 MeV by source measurements and Monte Carlo simulations
Yosuke SHIMA, Hiroaki HAYASHI, Yasuaki KOJIMA, Michihiro SHIBATA
Applied Radiation and Isotopes, Vol.91, pp.97-103, 2014
DOI:10.1016/j.apradiso.2014.05.008
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診断領域における散乱X線含有率のコリメータを用いた間接測定法
林 裕晃, 竹上 和希, 小西 有貴, 福田 郁磨
日本放射線技術学会雑誌, Vol.70, No.3, 213-222頁, 2014年
DOI:10.6009/jjrt.2014_JSRT_70.3.213
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薄膜の入射窓を有する霧箱の開発とX線撮影装置及び非密封放射性同位元素を用いた初学者に対する実習の提案
小西 有貴, 林 裕晃, 竹上 和希, 福田 郁磨, 上野 淳二
日本放射線技術学会雑誌, Vol.70, No.1, 26-33頁, 2014年
DOI:10.6009/jjrt.2014_JSRT_70.1.26
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Measurements of High-energy Excited States and Gamma-rays of Fission Products with a 4-Pai Clover Detector
Yosuke SHIMA, Yasuaki KOJIMA, Hiroaki HAYASHI, Akihiro TANIGUCHI, Michihiro SHIBATA
Nuclear Data Sheets, Vol.120, pp.30-32, 2014
DOI:10.1016/j.nds.2014.06.133
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Half-life Measurement of Excited Levels in Fission Products around Mass Number 150
Yasuaki KOJIMA, Yosuke SHIMA, Hiroaki HAYASHI, Akihiro TANIGUCHI, Michihiro SHIBATA
Nuclear Data Sheets, Vol.120, pp.52-55, 2014
DOI:10.1016/j.nds.2014.07.004
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OSL線量計の繰り返し読み取りによる高精度測定
林 裕晃, 中川 滉平, 沖野 啓樹, 竹上 和希, 岡崎 徹, 小林 育夫
医用画像情報学会雑誌, Vol.31, No.2, 28-34頁, 2014年
DOI:10.11318/mii.31.28
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Performance of a total absorption clover detector for Qbeta measurements of neutron-rich nuclei far from the beta-stability line
Hiroaki HAYASHI, Michihiro SHIBATA, Masato ASAI, Akihiko OSA, Tukada K SATO, Mitsuo KOIZUMI, Atsushi KIMURA, Masumi OSHIMA
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol.747, pp.41-51, 2014
DOI:10.1016/j.nima.2014.02.012
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診断用X線撮影装置のフィルタ用ガイドを利用したナロウビーム発生用多段コリメータの開発と実習装置の改良
竹上 和希, 林 裕晃, 小西 有貴, 福田 郁磨
医用画像情報学会雑誌, Vol.30, No.4, 101-107頁, 2013年
DOI:10.11318/mii.30.101
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輝尽性蛍光体プレートに対する入出力特性の測定のための一体型マルチスリット装置の製作
紀本 夏実, 林 裕晃, 前畑 伊採, 野々宮 泉, 竹上 和希, 小西 有貴, 氏田 将平, 福田 郁磨
日本放射線技術学会雑誌, Vol.69, No.10, 1165-1171頁, 2013年
DOI:10.6009/jjrt.2013_JSRT_69.10.1165
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診断用X線撮影装置を用いたCdTe検出器のエネルギー校正のための実験装置の開発
福田 郁磨, 林 裕晃, 竹上 和希, 小西 有貴
日本放射線技術学会雑誌, Vol.69, No.9, 952-959頁, 2013年
DOI:10.6009/jjrt.2013_JSRT_69.9.952
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診断領域における散乱X線の可視化装置の製作と実習の提案
岸田 弥奈, 林 裕晃, 窪薮 友美, 竹上 和希, 井上 直, 花光 宏樹, 西原 貞光
日本放射線技術学会雑誌, Vol.69, No.5, 500-507頁, 2013年
DOI:10.6009/jjrt.2013_JSRT_69.5.500
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診断用X線装置を用いた霧箱実験の提案とシミュレーションコードを援用した解析
林 裕晃, 花光 宏樹, 西原 貞光, 上野 淳二, 三好 弘一
日本放射線技術学会雑誌, Vol.69, No.4, 386-392頁, 2013年
DOI:10.6009/jjrt.2013_JSRT_69.4.386
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セパレータを有する箔検電器の製作と診断用X線装置を用いた実験の提案
松浦 貴明, 林 裕晃, 花光 宏樹, 西原 貞光
日本放射線技術学会雑誌, Vol.69, No.3, 239-243頁, 2013年
DOI:10.6009/jjrt.2013_JSRT_69.3.239
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Relative intensities of prompt γ-rays from the 35Cl(n,γ)36Cl reaction with thermal neutrons as secondary γ-ray intensity standards
Michihiro SHIBATA, Akinori TOJO, Itaru MIYAZAKI, Masataka FURUTA, Hiroaki HAYASHI, Yasuaki KOJIMA, Yosuke SHIMA, Akihiro TANIGUCHI
Applied Radiation and Isotopes, Vol.73, pp.60-67, 2013
DOI:10.1016/j.apradiso.2012.11.008
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GM計数管を用いたピンホールカメラの開発に向けた基礎研究
竹上 和希, 林 裕晃, 福田 郁磨, 小西 有貴, 花光 宏樹, 橋詰 拓弥, 村上 淳, 三谷 聡
日本放射線技術学会雑誌, Vol.69, No.9, 994-951頁, 2013年
DOI:10.6009/jjrt.2013_JSRT_69.9.944
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動的マルチスリットを用いたコンピューティッドラジオグラフィシステムの特性曲線の取得
竹上 和希, 林 裕晃, 紀本 夏実, 前畑 伊採, 野々宮 泉, 福田 郁磨, 小西 有貴
医用画像情報学会雑誌, Vol.30, No.3, 53-56頁, 2013年
DOI:10.11318/mii.30.53
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Ground-state configuration of the N = 157 nucleus 259No
Masato ASAI, Kazuaki TSUKADA, Minoru SAKAMA, H. HABA, T. ICHIKAWA, Y. ISHII, Atsushi TOYOSHIMA, T. Ishii, Ichiro NISHINAKA, Yuichiro NAGAME, Y. KASAMATSU, Michihiro SHIBATA, Yasuaki KOJIMA, Hiroaki HAYASHI
Physical Review C, Nuclear Physics, Vol.87, No.1, pp.014332-1-6, 2013
DOI:10.1103/PhysRevC.87.014332
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Digital radiographyシステムで発生した黒点の放射能の推定, --- 輝尽性蛍光体板表面に直接付着した低濃度放射性同位元素起源の黒点の解析 ---
林 裕晃, 西原 貞光, 高志 智, 花光 宏樹, 森 美智子, 三好 弘一, 小沼 洋治
日本放射線技術学会雑誌, Vol.68, No.11, 1467-1473頁, 2012年
DOI:10.6009/jjrt.2012_JSRT_68.11.1467
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診療画像中に発生した黒点の原因となる放射性同位元素の付着部位に関する推定実験
西原 貞光, 林 裕晃, 花光 宏樹, 森 美智子
日本放射線技術学会雑誌, Vol.68, No.10, 1307-1313頁, 2012年
DOI:10.6009/jjrt.2012_JSRT_68.10.1307
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X線漏洩源の特定のための円環状コリメータカメラの開発
林 裕晃, 花光 宏樹, 西原 貞光, 村上 淳
日本放射線安全管理学会誌, Vol.11, No.1, 44-50頁, 2012年
DOI:10.11269/jjrsm.11.44
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X線用のピンホールカメラに用いるコリメータ径の最適化と画像周辺部での検出効率低下の補正手法の提案
林 裕晃, 谷内 翔, 神谷 尚武, 西原 貞光
日本放射線安全管理学会誌, Vol.11, No.1, 51-59頁, 2012年
DOI:10.11269/jjrsm.11.51
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イメージングプレートの放射能汚染による黒点計数法の開発
林 裕晃, 西原 貞光, 小沼 洋治
日本放射線技術学会雑誌, Vol.68, No.5, 545-553頁, 2012年
DOI:10.6009/jjrt.2012_JSRT_68.5.545
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輝尽性蛍光体プレートを用いて取得したX線画像上の黒点発生の解明に向けたモンテカルロシミュレーション, --- 原子力発電所事故で飛散した核分裂収率の大きい放射性同位元素の影響 ---
林 裕晃, 西原 貞光, 谷内 翔, 神谷 尚武
医用画像情報学会雑誌, Vol.29, No.1, 7-11頁, 2012年
DOI:10.11318/mii.29.7
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輝尽性蛍光体プレートを用いた多数点取得実験におけるフェーディング補正手法の提案
林 裕晃, 神谷 尚武, 谷内 翔, 西原 貞光, 高志 智
医用画像情報学会雑誌, Vol.29, No.1, 1-6頁, 2012年
DOI:10.11318/mii.29.1
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X線検出器(イメージングプレート:IP)に付着した放射性同位元素の除染
小沼 洋治, 林 美智子, 林 裕晃, 西原 貞光
日本放射線技術学会雑誌, Vol.68, No.3, 277-282頁, 2012年
DOI:10.6009/jjrt.2012_JSRT_68.3.277
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輝尽性蛍光体プレートを用いたピンホールカメラの開発と散乱X線分布および可視光画像の撮影
林 裕晃, 谷内 翔, 神谷 尚武, 西原 貞光, 富永 正英
日本放射線技術学会雑誌, Vol.68, No.3, 307-311頁, 2012年
DOI:10.6009/jjrt.2012_JSRT_68.3.307
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円環コリメータカメラを用いた漏洩X線源の同定手法
林 裕晃, 村上 淳, 花光 宏樹, 西原 貞光, 武田 俊一
日本放射線安全管理学会誌, Vol.12, No.1, 30-35頁, 2012年
DOI:10.11269/jjrsm.12.30
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EGS5コードを用いた診断用X線スペクトルの実用的な計算手法
林 裕晃, 福本 晃, 花光 宏樹, 西原 貞光, 神谷 尚武
医用画像情報学会雑誌, Vol.29, No.3, 62-67頁, 2012年
DOI:10.11318/mii.29.62
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Emission probabilities of some intense prompt γ rays of 24Na, 28Al, 52V, 56Mn, 60Co, 142Pr, 187W and 198Au with thermal neutron capture determined using γ rays following β decay
Michihiro SHIBATA, Itaru MIYAZAKI, Hiroaki HAYASHI, Akinori TOJO, Masataka FURUTA, Yasuaki KOJIMA, Akihiro TANIGUCHI, Kiyoshi KAWADE
Annals of Nuclear Energy, Vol.43, pp.106-113, 2012
DOI:10.1016/j.anucene.2012.01.005
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X線検出器(イメージングプレート)の放射能汚染に対する効果的な除染方法の提案
西原 貞光, 林 裕晃
日本放射線技術学会雑誌, Vol.67, No.8, 912-915頁, 2011年
DOI:10.6009/jjrt.67.912
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A spectrometer for lifetime determination by β-γ-γ delayed coincidence technique at KUR-ISOL
Yasuaki KOJIMA, Hiroaki HAYASHI, Michihiro SHIBATA, S. ENDO, K. SHIZUMA, Akihiro TANIGUCHI
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol.659, No.1, pp.193--197, 2011
DOI:10.1016/j.nima.2011.08.005
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Systematics for (n,2n) excitation functions in the neutron energy between 13.4 and 14.9 MeV
Hiroaki HAYASHI, Hitoshi SAKANE, Michihiro SHIBATA, Kiyoshi KAWADE, Yoshimi KASUGAI, Yujiro IKEDA, Toshiyuki IIDA
Annals of Nuclear Energy, Vol.38, No.2-3, pp.637-646, 2010
DOI:10.1016/j.anucene.2010.09.005
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Practical Qβ analysis method based on the Fermi-Kurie plot for spectra measured with total absorption BGO detector
Hiroaki HAYASHI, Yasuaki KOJIMA, Michihiro SHIBATA, Kiyoshi KAWADE
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol.613, No.1, pp.79-89, 2009
DOI:10.1016/j.nima.2009.10.155
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Qβ-measurements with a total absorption detector composed of through-hole HPGe detector and anti-Compton BGO detector
Hiroaki HAYASHI, Michihiro SHIBATA, Itaru MIYAZAKI, Osamu SUEMATSU, Yasuaki KOJIMA, Kiyoshi KAWADE, Akihiro TANIGUCHI
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol.606, No.3, pp.484-489, 2009
DOI:10.1016/j.nima.2009.04.047
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Measurements of activation cross section of (n,p) and (n,α) reactions in the energy range of 3.5-5.9 MeV using a deuterium gas target
Masataka FURUTA, Toshiaki SHIMIZU, Hiroaki HAYASHI, Itaru MIYAZAKI, Hiroshi YAMAMOTO, Michihiro SHIBATA, Kiyoshi KAWADE
Annals of Nuclear Energy, Vol.35, No.9, pp.1652-1662, 2008
DOI:10.1016/j.anucene.2008.02.010
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Qβ measurements of 158,159Pm, 159,161Sm, 160-165Eu, 163Gd and 166Tb using a total absorption BGO detector
Hiroaki HAYASHI, Yukinori AKITA, Osamu SUEMATSU, Michihiro SHIBATA, Masato ASAI, T. K. SATO, S. ICHIKAWA, I. NISHINAKA, Yuichiro Nagame, Akihiko Osa, Kazuaki TSUKADA, Tetsuro ISHII, Yasuaki KOJIMA, Akihiro TANIGUCHI
The European Physical Journal A - Hadrons and Nuclei, Vol.34, No.4, pp.363-370, 2008
DOI:10.1140/epja/i2006-10522-9
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Precise Intensity Measurements in the 14N(n,γ)15N Reaction as a γ-Ray Intensity Standard up to 11 MeV
Itaru MIYAZAKI, Hitoshi SAKANE, Hirokazu TAKAYAMA, Masafumi KASAISHI, Akinori TOJO, Masataka FURUTA, Hiroaki HAYASHI, Osamu SUEMATSU, Hiromichi NARASAKI, Toshiaki SHIMIZU, Michihiro SHIBATA, Kiyoshi KAWADE, Akihiro TANIGUCHI, Hideo HARADA
Journal of Nuclear Science and Technology, Vol.45, No.6, pp.481-486, 2007
DOI:10.1080/18811248.2008.9711871
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04Proceedings
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Applicability of high tube voltage imaging to achieve accurate quantitative images when applying photon counting detectors to general radiography
Rina Nishigami, Hiroaki Hayashi, Daiki Kobayashi, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Natsumi Kimoto, Shuichiro Yamamoto
Proceedings of SPIE, 2024
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Direct dose measurement method during chest CT examination by taking into consideration the X-ray incident direction
Hiroaki HAYASHI, Tatsuya MAEDA, Sota GOTO, Kazuki TAKEGAMI, Takashi ASAHARA, Rina NISHIGAMI, Daiki KOBAYASHI, Yuki KANAZAWA, Kazuta YAMASHITA
European Congress of Radiology, EPOS, C-11117, 2024
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Blurring correction for calculating functional images using an energy resolving photon counting detector
Daiki Kobayashi, Hiroaki Hayashi, Rina Nishigami, Cheonghae Lee, Tatsuya Maeda, Yuki Kanazawa, Akitoshi Katsumata, Natsumi Kimoto, Shuichiro Yamamoto
Proceedings of IEEE, 2023
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Simulation study on functional images to optimize radiographic condition using energy resolving photon counting detector
Rina Nishigami, Hiroaki Hayashi, Daiki Kobayashi, Cheonghae Lee, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Natsumi Kimoto, Shuichiro Yamamoto
Proceedings of IEEE, 2023
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Automatic determination algorithm of intrinsic parameters on response function of energy-resolving photon counting imaging detector
Cheonghae Lee, Hiroaki Hayashi, Daiki Kobayashi, Rina Nishigami, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Akitoshi Katsumata, Natsumi Kimoto, Shuichiro Yamamoto
Proceedings of IEEE, 2023
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Absolute measurement of bone mineral density in general radiography using energy-resolving photon-counting detector
Natsumi Kimoto, Hiroaki Hayashi, Cheonghae Lee, Rina Nishigami, Daiki Kobayashi, Akitoshi Katsumata, Shuichiro Yamamoto
Proceedings of IEEE, 2023
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Myelin Water Atlas Template Derived from Quantitative Parameter Mapping
Yuki Kanazawa, KITANO Shun, Masafumi Harada, Yo Taniguchi, Yuki Matsumoto, Hiroaki Hayashi, Kosuke Ito, Yoshitaka Bito and Akihiro Haga
Proceedings of ISMRM, Vol.32, No.2630, 2023
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Evaluation of Biological Metabolic Activity within an Atherosclerotic Plaque using Chemical Exchange Saturation Transfer Imaging
Yuki Kanazawa, Tosiaki Miyati, Masafumi Harada, Mitsuharu Miyoshi, Yuki Matsumoto, Hiroaki Hayashi, Yasuhisa Kanematsu and Yasushi Takagi
Proceedings of ISMRM, Vol.32, No.2982, 2023
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Diffusion weighted-viscosity imaging for atherosclerotic plaques
Mayuka Seguchi, Yuki Kanazawa, Tosiaki Miyati, Masafumi Harada, Mitsuharu Miyoshi, Yuki Matsumoto, Hiroaki Hayashi, Yasuhisa Kanematsu and Yasushi Takagi
Proceedings of ISMRM, Vol.32, No.1519, 2023
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A wearable active-type dosimeter having novel functions to derive both incident direction and absolute dose of scattered X-rays during IVR procedures
Takashi Asahara, Hiroaki Hayashi, Tatsuya Maeda, Sota Goto, Daiki Kobayashi, Cheonghae Lee, Yuki Kanazawa, Naoki Maeda, Mitsugi Honda
EPOS, ECR 2023, C-10352, 2023
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Practical procedure to reduce thyroid dose related to the overranging effect during fast chest CT examination using a novel sponge shield with embedded fine bismuth particles
Kazuki Takegami, Hiroaki Hayashi, Tatsuya Maeda, Cheonghae Lee, Rina Nishigami, Takashi Asahara, Shuichi Murakami, Takeshi Konishi, Motochika Maki
EPOS, ECR 2023, C-14810, 2023
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Experimental study to develop elastic radiation shields embedded with metal particles
Tatsuya MAEDA, Hiroaki HAYASHI, Miku ANDO, Cheonghae LEE, Takeshi KONISHI, Shuichi MURAKAMI, Motochika MAKI, Kazuta YAMASHITA, Kosaku HIGASHINO
EPOS, ECR 2023, C-10037, 2023
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Evaluation of Blood Flow and Plaque Vulnerability in Carotid Artery Stenosis Focusing on Morphological and Component Characteristics
Yuki Matsumoto, Yuki Kanazawa, Yuki Kinjo, Masafumi Harada, Toshiaki Miyati, Hiroaki Hayashi, Mitsuharu Miyoshi, Naoki Maeda, Yasuhisa Kanematsu, Yasushi Takagi and Akihiro Haga
Proceedings of the 2022 ISMRM & SMRT ANNUAL MEETING & EXHIBITION, No.3783, 2022
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Development of self-calibrating B1 correction for three-dimensional variable flip angle T1 mapping
Nagomi Fukuda, Yuki Kanazawa, Hiroaki Hayashi, Yuki Matsumoto, Masafumi Harada, Motoharu Sasaki and Akihiro Haga
Proceedings of ISMRM, Vol.31, No.3218, 2022
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Conversion map from quantitative parameter mapping to myelin water fraction
Shun Kitano, Yuki Kanazawa, Masafumi Harada, Yo Taniguchi, Yuki Matsumoto, Hiroaki Hayashi, Kosuke Ito, Yoshitaka Bito and Akihiro Haga
Proceedings of ISMRM, Vol.31, No.3052, 2022
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Determination of white matter structure index for voxel basedmorphometry and connectivity analysis
N.Ikemitsu, Y.Kanazawa, M.Harada, Y.Matsumoto, H.Hayashi, K.Ito, Y.Taniguchi, Y.Bito, A.Haga
EPOS, ECR 2022, 10 pages, 2022
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Development of a B1 correction method without additionalscanning for VFA T1 mapping
N.Fukuda, Y.Kanazawa, H.Hayashi, Y.Matsumoto, M.Harada, M.Sasaki, A.Haga
EPOS, ECR 2022, 10 pages, 2022
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An idea for preparing the stabilized optically stimulated luminescence (OSL) dosimeters having smaller signal depletion
Sota GOTO, Hidetoshi YAMAGUCHI, Morihito SHIMIZU, Hiroaki HAYASHI, Hiroshi SEKIGUCHI, Ryuji AKINO
Proceedings of IEEE(NSS), 4 pages, 2021
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Bone and soft-tissue images extraction through derivation of effective atomic number image using photon-counting detector
Cheonghae Lee, Hiroaki Hayashi, Natsumi Kimoto, Tatsuya Maeda, Miku Ando, Yuki Kanazawa, Akitoshi Katsumata, Shuichiro Yamamoto, Masahiro Okada
Proceedings of IEEE(MIC), 5 pages, 2021
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Derivation of Water Exchange Constants between Components using Quantitative Parameter Mapping (QPM)
Naoki Maeda, Yuki Kanazawa, Masafumi Harada, Yo Taniguchi, Yuki Matsumoto, Hiroaki Hayashi, Kosuke Ito, Yoshitaka Bito and Akihiro Haga
Proceedings of ISMRM, Vol.29, No.3069, 2021
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Myelin imaging derived quantitative parameter mapping compared to myelin water fraction
Yuki Kanazawa, Masafumi Harada, Yo Taniguchi, Syun Kitano, Nagomi Fukuda, Yuki Matsumoto, Hiroaki Hayashi, Kosuke Ito, Yoshitaka Bito and Akihiro Haga
Proceedings of ISMRM, Vol.29, No.2828, 2021
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Chemical Exchange Saturation Transfer Imaging for Atherosclerotic Plaques
Yuki Kanazawa, Masafumi Harada, Tosiaki Miyati, Takashi Abe, Mitsuharu Miyoshi, Yuki Matsumoto, Hiroaki Hayashi, Yasuhisa Kanematsu and Yasushi Takagi
Proceedings of 28th Virtual Meeting of ISMRM, No.2128, 2020
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Optimizing the imaging conditions of energy resolved photoncounting mammography by simulating the characteristics of an actual detector
H. Kimura, S. Koyama, Y. Kodera, H. Hayashi, N. Kimoto, H. Nishide, S., Yamamoto, M. Okada , D. Hashimoto
European Congress of Radiology (EPOS), 2020
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Multicomponent T1 Relaxometry Analysis using Quantitative Parameter Mapping Magnetic Resonance Imaging
Naoki Maeda, Yuki Kanazawa, Masafumi Harada, Yo Taniguchi, Yuki Matsumoto, Takashi Abe, Hiroaki Hayashi, Masaharu Ono, and Yoshitaka Bito
European Congress of Radiology (EPOS), 2020
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Multi-components analysis of brain using ultrashort echo time magnetic resonance imaging
Yugo Wada, Yuki Kanazawa, Masafumi Harada, Naoki Maeda, Yuki Matsumoto, Takashi Abe, Hiroaki Hayashi, and Mitsuharu Miyoshi
European Congress of Radiology (EPOS), 2020
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Dose calibration factor of an OSL dosimeter during CT examination to measure exposure dose of patients taking into consideration proper X-ray quality
Kazuki Takegami, Hiroaki Hayashi, Takashi Asahara, Sota Goto, Emi Tomita, Natsumi Kimoto, Yuki Kanazawa, Shohei Kudomi
European Congress of Radiology (EPOS), 2020
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Feasibility study of photon counting detector for producing effective atomic number image
Natsumi Kimoto, Hiroaki Hayashi, Takumi Asakawa, Takashi Asahara, Tatsuya Maeda, Yuki Kanazawa, Akitoshi Katsumata, Shuichiro Yamamoto, Masahiro Okada
Proceedings of IEEE(MIC), 4 pages, 2019
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Importance of considering the response function of photon counting detectors with the goal of precise material identification
Takumi Asakawa, Hiroaki Hayashi, Natsumi Kimoto, Takashi Asahara, Tatsuya Maeda, Shuji Koyama, Shuichiro Yamamoto, Masahiro Okada
Proceedings of IEEE(MIC), 8 pages, 2019
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Thermal sensitive pH imaging using CEST
Yuki Kanazawa, Daiki Chiba, Masafumi Harada, Tosiaki Miyati, Mitsuharu Miyoshi, Hiroaki Hayashi, Yuki Matsumoto, Takashi Abe and Akihiro Haga
Proceedings of the 27th Annual Meeting of ISMRM, No.3991, 2019
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Myelin imaging derived from quantitative parameter mapping
Yuki Kanazawa, Masafumi Harada, Yo Taniguchi, Hiroaki Hayashi, Takashi Abe, Maki Ohtomo, Yuki Matsumoto, Masafumi Ono, Yoshitaka Bito and Akihiro Haga
Proceedings of the 27th Annual Meeting of ISMRM, No.3313, 2019
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High Dose Measurement using Low Density Aluminum Oxide Element
Ikuo KOBAYASHI, Tohru OKAZAKI, Takuya HASHIZUME, Vergil LE CRUZ, Cheng Wei HSIN, Hiroaki HAYASHI, Nakahiro YASUDA
JPS Conf. Proc., 011034, 2019
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Evaluation of Dose Response Characteristics of a Small Type Optically Stimulated Luminescence Dosimeter Irradiated with More Than 10 Gy
Tohru OKAZAKI, Takuya HASHIZUME, Yoshinori HASHIMOTO, Masashi SHIRAKATA, Hajime NAKAMURA, Hirohito YAMAZAKI, Vergil LE CRUZ, Wei Hsin CHENG, Hiroaki HAYASHI, Ikuo KOBAYASHI
JPS Conf. Proc., 011035, 2019
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A novel mammographic substance discrimination technique with fusion imaging: Initial results of detection of breast cancer from resected breast tissues by energy-resolved photon counting detector
M. Sasaki, S. Koyama, Y. Kodera, H. Nishide, M. Mizutani, M. Watanabe, N. Yoshida, H. Hayashi, S. Yamamoto
European Congress of Radiology (EPOS), C-2358, 2019
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Where do the scattering X-rays to eye lens exposure come from during neonatal cardiac CT examination?
Yoshiki Mihara, Hiroaki Hayashi, Takumi Uehara, Emi Tomita, Sota Goto, Keiji Tada, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume
European Congress of Radiology (EPOS), C-1825, 26pages, 2019
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Determining the difference of calibration factors in diagnostic X-rays and mono-energetic X-rays of the small type OSL dosimeter for a more precise dose evaluation in diagnostic X-ray examinations
T. Okazaki, H. Hayashi, S. Goto, T. Asahara, E. Tomita, Y. Kanazawa, T. Hashizume, V. Cruz, W. H. Cheng
European Congress of Radiology (EPOS), C-0212, 14pages, 2019
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A novel mammographic fusion imaging technique: the first results of tumor tissues detection from resected breast tissues using energy-resolved photon counting detector
Mariko Sasaki, Shuji Koyama, Yoshie Kodera, Reina Suzuki, Hiroto Kimura, Hiroko Nishide, Mitsuhiro Mizutani, Megumi Watanabe, Naoko Yoshida, Hiroaki Hayashi, Natsumi Kimoto, Shuichiro Yamamoto, Daisuke Hashimoto, Masahiro Okada
Proceedings of SPIE Medical Imaging, 2019
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Reproduction of response functions of a multi-pixel-type energy-resolved photon counting detector while taking into consideration interaction of X-rays, charge sharing and energy resolution
Natsumi Kimoto, Hiroaki Hayashi, Takashi Asahara, Emi Tomita, Sota Goto, Yuki Kanazawa, Shuichiro Yamamoto, Masahiro Okada, Masashi Yamasaki
Proceedings of IEEE(MIC), 4 pages, 2018
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Preliminary study of the portable Optically Stimulated Luminescence dosimetry system for measuring radiation doses more than 100 Gy
T. Okazaki, T. Hashizume, V. LE Cruz, W. Cheng, I. Kobayashi, Y. Hashimoto, M. Shirakawa, H. Nakamura, H. Yamazaki, H. Hayashi
Proceedings of the 15th Annual Meeting of Particle Accelerator Society of Japan, PASJ2018 THP137, 2018
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Importance of quantitative evaluation of jaw bones
Katsumata A, Fujita H, Hayashi H
International Journal of Computer Assisted Radiology and Surgery (CARS), S117-S118. 2018
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Development of energy-resolved photon-counting mammography with a cadmium telluride series detector to reduce radiation exposure and increase contrast-to-noise ratio using the high-energy X-rays
Reina Suzuki, Shuji Koyama, Yoshie Kodera, Ai Nakajima, Mariko Sasaki, Hiroto Kimura, Hiroaki Hayashi, Tsutomu Yamakawa, Shuichiro Yamamoto, Daisuke Hashimoto, Masahiro Okada
Proceedings of SPIE 10718 (IWDM), 2018
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Identification of breast tissue using the x-ray image measured with an energy-resolved cadmium telluride series detector based on photon-counting technique
Mariko Sasaki, Shuji Koyama, Yoshie Kodera, Reina Suzuki, Ai Nakajima, Hiroko Nishide, Mitsuhiro Mizutani, Megumi Watanabe, Naoko Yoshida, Hiroaki Hayashi, Tsutomu Yamakawa, Shuichiro Yamamoto, Daisuke Hashimoto, Masahiro Okada
Proceedings of SPIE 10718, 2018
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Does the amount of signal change depend on calcium concentration in lipid-rich core plaque?
Yuki Kanazawa, Kotaro Baba, Tosiaki Miyati, Masafumi Harada, Hiroaki Hayashi, Ikuho Kosaka, Mitsuharu Miyoshi, Michael Carl and Yuki Matsumoto
Proceedings of the 26th Annual Meeting of ISMRM, No.3473, 2018
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T1 dependency of magnetization transfer effect in human brain
Yuki Kanazawa, Toshiaki Sasaki, Hiroaki Hayashi, Kotaro Baba, Ikuho Kosaka, Yuki Mtasumoto, Mitsuharu Miyoshi and Masafumi Harada
Proceedings of the 26th Annual Meeting of ISMRM, No.3179, 2018
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Nuclear Overhauser enhancement effect of low B1 power CEST RF in human brain at 3.0 T
Yuki Kanazawa, Masafumi Harada, Mitsuharu Miyoshi, Ikuho Kosaka, Kotaro Baba, Hiroaki Hayashi and Yuki Matsumoto
Proceedings of the 26th Annual Meeting of ISMRM, No.5117, 2018
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Evaluation of Dose Response Characteristics of a Small Type Optically Stimulated Luminescence Dosimeter Irradiated with More Than 10 Gy
Tohru Okazaki, Takuya Hashizume, Yoshinori Hashimoto, Masashi Shirakata, Hajime Nakamura, Hirohito Yamazaki, Vergil LE Cruz, Cheng Wei Hsin, Hiroaki Hayashi, Ikuo Kobayashi
Proceedings of the Second International Symposium on Radiation Detectors and Their Uses (ISRD2018), 2018
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Phantom study using an OSL dosimeter with the aim of accurate measurement of eye lens dose exposure of operator during transfemoral cardiac catheterization using fluoroscopic examination
Takashi Asahara, Hiroaki Hayashi, Emi Tomita, Sota Goto, Natsumi Kimoto, Kenji Yamada, Sumi Yokoyama, Yuki Kanazawa, Tohru Okazaki
European Congress of Radiology, EPOS C-0044, 34 pages, 2018
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Dose evaluation of radiosensitive organs during high-pitch third generation dual-source CT of the chest
Kazuki Takegami, Hiroaki Hayashi, Shogo Tokurei, Ayumi Hashimoto, Shohei Kudomi, Tohru Okazaki, Takuya Hashizume
European Congress of Radiology, EPOS C-0944, 16 pages, 2018
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蛍光飛跡検出器FNTDの荷電粒子飛跡読み取りにおけるX線影響
橋詰拓弥,岡崎徹,佐波俊哉,萩原雅之,文殊四郎秀昭,林裕晃,小林育夫
Proceedings of the 31th Workshop on Radiation Detectors and Their Uses, pp. 35-41, 2017
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Novel material identification method using three energy bins of a photon counting detector taking into consideration Z-dependent beam hardening effect correction with the aim of producing an X-ray image with information of effective atomic number
Kimoto Natsumi, Hayashi Hiroaki, Asahara Takashi, Tomita Emi, Goto Sota, Mihara Yoshiki, Yuki Kanazawa, Yamakawa Tsutomu, Yamamoto Shuichiro, Yamasaki Masashi, Okada Masahiro and Hashimoto Daisuke
2017 IEEE Nuclear Science Symposium; Medical Imaging Conference, Conference Record (4 pages), 2017
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Baseline of Chemical Exchange Saturation Transfer Imaging for Brain
Yuki Kanazawa, Masafumi Harada, Mitsuharu Miyoshi, Yuki Matsumoto, Hiroaki Hayashi, Toshiaki Sasaki and Natsuki Ikemitsu
Proceedings of the 25th Annual Meeting of ISMRM, p.4646, 2017
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Dura Mater imaging with UTE T2* Mapping
Yuki Kanazawa, Masafumi Harada, Mitsuharu Miyoshi, Yuki Matsumoto, Hiroaki Hayashi, Toshiaki Sasaki, Natsuki Ikemitsu and Michael Carl
Proceedings of the 25th Annual Meeting of ISMRM, p.4682, 2017
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Preliminary study for exposure dose measurement of people assisting during a pediatric X-ray procedure by means of a small-type OSL dosimeter
Hiroaki Hayashi, Yoshiki Mihara, Natsumi Kimoto, Takashi Asahara, Kenji Yamada, Yuki Kanazawa, Masafumi Harada, Tohru Okazaki and Takuya Hashizume
European Congress of Radiology, pp.C-0034-1--C-0034-19, 2017
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Basic study for internal dose evaluation during CT examination by means of small-type OSL dosimeter
Yoshiki Mihara, Hiroaki Hayashi, Kenji Yamada, Yuki Kanazawa, Kousaku Higashino, Kazuta Yamashita, Ryosuke Kasai, Tohru Okazaki and Takuya Hashizume
European Congress of Radiology, C-0005-1-22, 2017
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An improvement of signal-to-noise ratio for phase image
Natsuki Ikemitsu, Yuki Kanazawa, Yuki Matsumoto, Hiroaki Hayashi, Takatoshi Usuda, Toshiaki Sasaki, Mitsuharu Miyoshi and Masafumi Harada
European Congress of Radiology (EPOS), C-0803, 2017
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T1 dependence of magnetization transfer effect for macromolecules
Toshiaki Sasaki, Yuki Kanazawa, Yuki Matsumoto, Hiroaki Hayashi, Natsuki Ikemitsu, Takatoshi Usuda, Mitsuharu Miyoshi and Masafumi Harada
European Congress of Radiology (EPOS), C-0827, 2017
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Development of a novel method based on a photon counting technique with the aim of precise material identification in clinical X-ray diagnosis
Natsumi Kimoto, Hiroaki Hayashi, Asahara Takashi, Yuki Kanazawa, Yamakawa Tsutomu, Yamamoto Shuichiro, Yamasaki Masashi and Okada Masahiro
Proceedings of SPIE, 2017
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Response functions of multi-pixel-type CdTe detector, --- Toward development of precise material identification on diagnostic X-ray images by means of photon counting ---
Hiroaki Hayashi, Asahara Takashi, Kimoto Natsumi, Yuki Kanazawa, Yamakawa Tsutomu, Yamamoto Shuichiro, Yamasaki Masashi and Okada Masahiro
Proceedings of SPIE, 2017
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Simple improvement method of uniformity of MR elastography on liver
Yuki Kanazawa, Yuki Matsumoto, Hiroaki Hayashi, Tsuyoshi Matsuda, Munguu Ganbold and Masafumi Harada
Proceedings of the 24th Annual Meeting of ISMRM, p.2972, 2016
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Evaluation of energy dependence of nanoDot optically stimulated luminescence (OSL) dosimeter using characteristic X-ray induced by medical X-ray equipment
Tohru Okazaki, Takuya Hashizume, Hiroaki Hayashi, Kazuki Takegami, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa and Kobayashi Ikuo
European Congress of Radiology (EPOS), C-0338, 2016
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Development of leaf electroscope to understand ionization for novice practical training
Hiroaki Hayashi, Natsumi Kimoto, Hiroki Okino, Kazuki Takegami, Itsumi Maehata and Yuki Kanazawa
European Congress of Radiology (EPOS), C-0083, 2016
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Compact irradiation system for evaluation of basic characteristics of the nanoDot OSL dosimeter toward direct measurement of exposure dose of patients
Hiroki Okino, Hiroaki Hayashi, Kazuki Takegami, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume and Ikuo Kobayashi
European Congress of Radiology (EPOS), C-0024, 2016
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Fabrication and analysis of phantoms providing the equal-image-density for basic experiment of next-generation-type X-ray diagnosis
Natsumi Kimoto, Hiroaki Hayashi, Hiroki Okino, Kazuki Takegami, Itsumi Maehata, Yuki Kanazawa, Tsutomu Yamakawa and Shuichiro Yamamoto
European Congress of Radiology (EPOS), C-0012, 2016
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Proposal of quantitative identification method of a small-type OSL dosimeter: Verification that the dosimeter is not detected in the medical image
Kazuki Takegami, Hiroaki Hayashi, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume and Ikuo Kobayashi
European Congress of Radiology (EPOS), C-0010, 2016
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Precise determination of the scattered X-ray contamination rate using diagnostic X-ray equipment for the construction of the secondary X-ray field
Itsumi Maehata, Hiroaki Hayashi, Natsumi Kimoto, Hiroki Okino, Kazuki Takegami and Yuki Kanazawa
European Congress of Radiology (EPOS), C-0007, 2016
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Comparison with statistical analysis of signal correction in diffusion weighted MR image
Yuto Konishi, Yuki Kanazawa, Takatoshi Usuda, Yuki Matsumoto, Hiroaki Hayashi, Tsuyoshi Matsuda and Masafumi Harada
European Congress of Radiology (EPOS), C-0291, 2016
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Noise estimation for diffusion weighted MR image
Yuki Kanazawa, Konishi Yuto, Usuda Takatoshi, Yuki Matsumoto, Hiroaki Hayashi, Matsuda Tsuyoshi and Masafumi Harada
European Congress of Radiology (EPOS), C-0591, 2016
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Experimental evaluation of response functions of a CdTe detector in the diagnostic region with the aim of carrying out a basic experiment concerning a next generation photon counting system
Hiroaki Hayashi, Hiroki Okino, Kazuki Takegami, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tsutomu Yamakawa and Shuichiro Yamamoto
European Congress of Radiology (EPOS), C-0006, 2016
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クローバー検出器を用いた156Ndの崩壊核データ測定
茶屋 隆盛, 小島 康明, 柴田 理尋, 林 裕晃, 谷口 秋洋
平成27年度KUR専門研究会「短寿命RIを用いた核分光と核物性研究II」報告書, 大阪, 2015年11月
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A Fundamental Experiment for Novel Material Identification Method Based on a Photon Counting Technique: Using Conventional X-Ray Equipment
Hiroaki Hayashi, N. Kimoto, I. Maehata, K. Takegami, H. Okino, Yuki Kanazawa, M. Okada, T. Yamakawa, S. Yamamoto and M. Yamasaki
IEEE Nuclear Science Symposium; Medical Imaging Conference, Conference Record (4 pages), 2015
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Measurement method of an exposed dose using the nanoDot dosimeter
Kazuki Takegami, Hiroaki Hayashi, Kohei Nakagawa, Hiroki Okino, Tohru Okazaki and Ikuo Kobayashi
European Congress of Radiology 2015 (EPOS), pp.C-0218-1--C-0218-16, 2015
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Evaluation of the angular dependence of the nanoDot OSL dosimeter toward direct measurement of the entrance skin dose
Tohru Okazaki, Hiroaki Hayashi, Takegami Kazuki, Hiroki Okino and Kohei Nakagawa
European Congress of Radiology 2015 (EPOS), C-0218-1-16, 2015
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Development of new educational apparatus to visualize scattered X-rays
Hiroaki Hayashi, K Takegami, H Okino, K Nakagawa and Yuki Kanazawa
European Congress of Radiology 2015 (EPOS), p.C-0073, 2015
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Optimization of imaging parameter in contrast-enhanced three-dimensional T1 weighted MRI with fat saturation for head disease
Yuki Kanazawa, T Miyati, Hiroaki Hayashi, A Yagi and O Sato
European Congress of Radiology 2015 (EPOS), C-1450, 2015
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Proposal of efficient irradiation system of small type OSL dosimeter for photon beams between 100-2000 keV
H. Okino, Hiroaki Hayashi, K. Takegami, N. Kimoto, I. Maehata, Yuki Kanazawa, T. Okazaki, T. Hasizume and I. Kobayashi
KEK proceedings, Vol.2015-6, pp.1--10, 2015
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Beta- decay of 150Ce to 150Pr, --- 26P2-3 ---
Y. Kojima, K. Kosuga, Y. Shima, A. Taniguchi, Hiroaki Hayashi and M. Shibata
KURRI progress report 2015, 2015
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Identification of the excited levels of 156Pm through the decay of 156Nd
M. Shibata, R. Jyoushou, Y. Shima, K. Kasuga, Y. kojima, Hiroaki Hayashi and A. Taniguchi
KURRI progress report 2013, PR2-2, 2014
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Decay scheme of 150Ce
Y. Kojima, K. Kasuga, Y. Shima, R. Jyoushou, Hiroaki Hayashi, A. Taniguchi and M. Shibata
KURRI progress report 2013, PR2-3, 2014
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Prompt g-ray Measurement of 35Cl(n,g) Using Total Absorption Type Ge Detector
Hiroaki Hayashi, Y. Kojima, M. Shibata and A. Taniguchi
KURRI Proceedings 2012, 2013
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Half-Life Measurements of Excited Levels in 149Pr
Yasuaki Kojima, Yousuke Shima, Hiroaki Hayashi, Akihiro Taniguchi and Michihiro Shibata
KURRI progress report 2012, p.110, 2013
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Determination of Gamma-Ray Intensities and Evaluation of Beta-Branching Ratios for the Decay of 147La to 147Ce
Yousuke Shima, Hiroaki Hayashi, Yasuaki Kojima, Akihiro Taniguchi and Michihiro Shibata
KURRI progress report 2012, p.109, 2013
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Half-Life Measurements of Excited Levels in 149Nd
Y. Kojima, Y. Shima, Hiroaki Hayashi, A. Taniguchi and M. Shibata
KURRI Progress Report 2011, p.174, 2012
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Coincidence Summing Correction of Total Absorption Clover Detector for Determination of g-ray Intensities of Fission Products
Y. Shima, Y. Kojima, Hiroaki Hayashi, A. Taniguchi and M. Shibata
KURRI Progress Report 2011, p.173, 2012
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Newly Available Fission Products at KUR-ISOL (II)
A. Taniguchi, Y. Okubo, M. Tanigaki, Hiroaki Hayashi, M. Shibata and Y. Kojima
KURRI Progress Report 2011, p.172, 2012
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Identification of High-Energy Levels in 147Ce with a Total Absorption Clover Detector
Yosuke Shima, Yasuaki Kojima, Michihiro Shibata, Hiroaki Hayashi and Akihiro Taniguchi
JAEA-Conf-2012-001, pp.141-146, 2012
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Level Lifetime Measurements of Mass-Separated 148Pr
Y. Kojima, Hiroaki Hayashi, M. Shibata, S. Higuma, T. Fukushige, K. Shizuma and A. Taniguchi
KURRI Progress Report 2010, p.92, 2011
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Decay Spectroscopy of 147La with a Total Absorption Clover Detector
Y. Shima, Hiroaki Hayashi, M. Shibata, Y. Kojima and A. Taniguchi
KURRI Progress Report 2010, p.91, 2011
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Newly Available Fission Products at KUR-ISOL
A. Taniguchi, Y. Ohkubo, M. Tanigaki, Hiroaki Hayashi, M. Shibata and Y. Kojima
KURRI Progress Report 2010, p.90, 2011
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Neutron Flux Measurements of Newly Developed Neutron Collimator
Hiroaki Hayashi, M. Shibata, Y. Shima and A. Taniguchi
KURRI Progress Report 2010, p.198, 2011
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A new technique to measure half-lives of long-lived isomers using a total absorption detector
M Asai, Hiroaki Hayashi, A Osa, T K Sato, Y Otokawa, D Nagae, K Tsukada, Y Miyashita, H Ouchi, S Izumi, T Shinozuka and M Shibata
JAEA-Review 2009-036, pp.49-50, 2009
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Alpha-gamma coincidence spectroscopy of 259No
M Asai, K Tsukada, M Sakama, Y Ishii, A Toyoshima, T Ishii, I Nishinaka, Y Nagame, Y Kasamatsu, M Shibata, Hiroaki Hayashi, H Haba and Y Kojima
JAEA-Review 2008-054, pp.40-41, 2008
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β DECAY HALF-LIFE OF 166Eu AND LEVELS IN 166Gd
T K Sato, A Osa, M Asai, K Tsukada, Hiroaki Hayashi, M Shibata, Y Kojima and S Ichikawa
JAEA-Review 2007-046, pp.32-33, 2008
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Qβ measurements of neutron-rich isotopes with a total-absorption-type Ge detector using the KUR-ISOL
Hiroaki Hayashi, Itaru Miyazaki, Michihiro Shibata, Yasuaki Kojima and Akihiro Taniguchi
ND2007, International Conference on Nuclear Date for Science and Technology, 2007
-
Development of a determination method of the prompt gamma-ray emission probability for the measurement of neutron capture cross sections
I. Miyazaki, Hiroaki Hayashi, A. Tojo, A. Taniguchi and M. Shibata
ND2007, International Conference on Nuclear Data for Science and Technology, 2007
-
An Application of a Total-Absorption-Type HPGe Detector to QEC Measurements
Hiroaki Hayashi, Y Akita, M Furuta, I Miyazaki, M Shibata, Y Kojima and A Taniguchi
KURRI Progress Report 2008, p.84, 2007
-
Qβ DETERMINATIONS OF 160-165Eu, 163Gd, 158,159Pm, 159,161Sm AND 166Tb USING A TOTAL ABSORPTION BGO DETECTOR
Hiroaki Hayashi, Y Akita, M Shibata, T K Sato, A Osa, M Asai, K Tsukada, T Ishii, S Ichikawa, Y Kojima and A Taniguchi
JAEA-Review 2006-029, pp.33-34, 2006
-
DECAY STUDIES OF NEW NEUTRON-RICH ISOTOPES 163,164,165EU
T K Sato, A Osa, K Tsukada, M Asai, Hiroaki Hayashi, Y Kojima, M Shibata and S Ichikawa
JAEA-Review 2006-029, pp.31-32, 2006
-
MEASUREMENT OF β-DECAY ENERGIES USING TOTAL ABSORPTION BGO DETECTOR
Hiroaki Hayashi, M Shibata, K Kawade, M Asai, T K Sato, S Ichikawa, A Osa, K Tsukada, I Nishinaka, Y Nagane, Y Kojima and A Taniguchi
JAEA-Review 2005, pp.25-26, 2006
-
Qβ Measurement of 147-149La and 151Ce with a Total-Absorption-Type HPGe Detector Using the KUR-ISOL
Hiroaki Hayashi, Y Akita, I Miyazaki, M Shibata, Y Kojima, A Taniguchi and Y Ohkubo
KURRI Progress Report 2006, p.70, 2006
-
Qβ Measurements of Neutron-Rich Isotopes With a Total-Absorption-Type HPGe Detector Using an On-Line Mass Separator
Hiroaki Hayashi, I Miyazaki, M Shibata, K Kawade, Y Kojima, A Taniguchi and Y Kawase
KURRI Progress Report 2005, p.24, 2005
-
PERFORMANCES OF AN HPGe TOTAL ABSORPTION DETECTOR FOR Qβ MEASUREMENTS
Hiroaki Hayashi, I Miyazaki, M Shibata, K Kawade, M Asai, S Ichikawa, I Nishinaka, Y Nagame, A Osa, K Tsukada, Y Kojima and A Taniguchi
JAEA-Review 2004, pp.29-30, 2004
-
Qβ measurement using a total absorption detector
Hiroaki Hayashi, I Miyazaki, M Shibata, K Kawade, Y Kojima, A Taniguchi and Y Kawase
KURRI Progress Report 2004, p.24, 2004
-
Qβ measurement using a well-type HPGe detector
Hiroaki Hayashi, O. Suematsu, M. Shibata, Y. Kojima, A. Taniguchi and K. Kawade
JAERI-Conf 2004-005, pp.207-212, 2003
05解説・総説
-
一般X線撮影への実用化に向けたフォトンカウンティング型画像検出器の開発動向
林 裕晃, 小林大空,西上莉奈,紀本夏実,山本修一郎
インナービジョン38,12月号,2023
-
医用X線の物理 (特集 整形外科医の職業被曝)
林 裕晃, 紀本夏実, 淺原孝, 李青海, 淺川巧, 前田達哉
整形・災害外科 64巻6号, 735-744,2021
-
RSNA Award report
紀本夏実, 林裕晃, 淺川巧, 淺原孝, 前田達哉, 勝又明敏, 金澤裕樹, 小山修司, 山本修一郎, 岡田雅宏
Radfan, Vol.18(2), 2020年2月
-
Certificate of Merit受賞報告
紀本夏実, 林裕晃, 淺川巧, 淺原孝, 前田達哉, 勝又明敏, 金澤裕樹, 小山修司, 山本修一郎, 岡田雅宏
INNERVISION, Vol.35(2), 2020年2月
-
4mポスターに魅せられて (平成29年度国際研究集会派遣会員報告書)
林 裕晃
日本放射線技術学会雑誌569号,2018年3月
-
フォトンカウンティングの基礎研究と将来展望, ----FPDの進化とDigital Radiologyの新次元----
林 裕晃, 勝又 明敏, 山河 勉, 山本 修一郎
月刊インナービジョン, 2017年11月
-
小型OSL線量計nanoDotの特徴と将来展望, --- シリーズ3 医療X線に対する防護研究 ---
林 裕晃
長瀬ランダウア便り, Vol.476, 2頁, 2017年8月
-
医療診断と放射線 [シリーズ6]X線の電離作用
林 裕晃
長瀬ランダウア便り, Vol.465, 2頁, 2016年9月
-
医療診断と放射線 [シリーズ5]X線検査における介助者の被ばく
林 裕晃
長瀬ランダウア便り, Vol.464, 2頁, 2016年8月
-
医療診断と放射線 [シリーズ4]X線検査における患者さんの被ばく
林 裕晃
長瀬ランダウア便り, Vol.463, 2頁, 2016年7月
-
医療診断と放射線 [シリーズ3]単純X線写真の生成
林 裕晃
長瀬ランダウア便り, Vol.462, 2頁, 2016年6月
-
医療診断と放射線 [シリーズ2]X線と物質の相互作用
林 裕晃
長瀬ランダウア便り, Vol.461, 2頁, 2016年5月
-
医療診断と放射線 [シリーズ1]X線の発生
林 裕晃
長瀬ランダウア便り, Vol.460, 3頁, 2016年4月
-
「放射線が見える」診療放射線技師の要請を目指して, --- 旬の研究紹介 ---
林 裕晃
徳島大学大学院HBS研究部だより, Vol.21, 5頁, 2014年10月
-
全吸収検出器を用いた不安定中性子過剰核の崩壊エネルギー測定
林 裕晃, 柴田 理尋
名古屋大学アイソトープ総合センター広報誌 Tracer, Vol.48, 3~6頁, 2010年11月
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核データ国際会議ND2010 測定関連
原田 秀郎, 木村 敦, 金 政浩, 佐藤 大樹, 林 裕晃, 廣瀬 健太郎
核データニュース, No.96, 50~61頁, 2010年6月
06International Conferences
-
How Can We Measure Biological Viscosity Non-Invasively Using MRI?
Mayuka Seguchi, Yuki Kanazawa, Tosiaki Miyati, Masafumi Harada, Mitsuharu Miyoshi, Hiroaki Hayashi, Akihiro Haga
The 110th Scientific Assembly and Annual Meeting of the Radiological Society of North America, Nov., 2024
-
How can we use effective atomic number information generated by photon-counting computed tomography? – A proposal for application to dental forensics –
Takashi ASAHARA, Hiroaki HAYASHI, Shunsuke OKADA, Tatsuya MAEDA, Natsumi KIMOTO, Rina NISHIGAMI, Daiki KOBAYASHI, Chihiro YAMAGUCHI, YUSUKE MOTIMITSU, Noriaki AKAGI, Toshihiro ICUCHI
The 110th Scientific Assembly and Annual Meeting of the Radiological Society of North America, Nov., 2024
-
Pulse Pile-up Correction of Objects with Various Atomic Numbers for Clinical Applications Using a Photon Counting Detector
Natsumi Kimoto, Hiroaki Hayashi, Rina Nishigami, Daiki Kobayashi, Takashi Asahara, Tatsuya Maeda, Akitoshi Katsumata, Shuichiro Yamamoto
The 2024 IEEE Nuclear Science Symposium and Medical Imaging Conference, Oct., 2024
-
System design to realize functional and conventional images during single X-ray irradiation using a photon counting detector
Rina Nishigami, Hiroaki Hayashi, Daiki Kobayashi, Tatesuya Maeda, Takashi Asahara, Yuki Kanazawa, Natsumi Kimoto, Shuichiro Yamamoto
The 2024 IEEE Nuclear Science Symposium and Medical Imaging Conference, Oct., 2024
-
Discrimination of non-metal dental material using photon counting CT toward identifying human remains
Takashi Asahara, Shunsuke Okada, Chihiro Kurose, Hiroaki Hayashi, Rina Nishigami, Daiki Kobayashi, Sota Goto, Yusuke Morimitsu, Noriaki Akagi, Mitsugi Honda
The 3rd International Conference on Radiological Physics and Technology (ICRPT), Apr., 2024
-
Convenient procedure to determine a dose reduction factor of the collar-type thyroid shield used for the chest CT examination
Kazuki Takegami, Hiroaki Hayashi, Tatsuya Maeda, Sota Goto, Takashi Asahara, Rina Nishigami, Daiki Kobayashi, Shuichi Murakami, Takeshi Konishi, Motochika Maki
The 3rd International Conference on Radiological Physics and Technology (ICRPT), Apr., 2024
-
Suitability of High Tube Voltage Imaging for General Radiography When Using Energy Resolving Photon Counting Detectors
Rina Nishigami, Hiroaki Hayashi, Daiki Kobayashi, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Tomonobu Haba, Natsumi Kimoto, Shuichiro Yamamoto
The 3rd International Conference on Radiological Physics and Technology (ICRPT), Apr., 2024
-
A correction method for image blurring to derive accurate quantitative material information using an energy resolving photon counting detector
Daiki Kobayashi, Hiroaki Hayashi, Rina Nishigami, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Akitoshi Katsumata, Natsumi Kimoto, Shuichiro Yamamoto
The 3rd International Conference on Radiological Physics and Technology (ICRPT), Apr., 2024
-
A novel analysis method to determine surface radiation dose taking into account the incident angle of X-rays during a helical scanning CT examination
Sota Goto, Hiroaki Hayashi, Tatsuya Maeda, Kazuki Takegami, Rina Nishigami, Daiki Kobayashi, Takashi Asahara, Yuki Kanazawa
The 3rd International Conference on Radiological Physics and Technology (ICRPT), Apr., 2024
-
A novel evaluation procedure of X-ray shielding ability by estimating X-ray incident direction during helical CT examination
Tatsuya Maeda, Hiroaki Hayashi, Sota Goto, Kazuki Takegami, Takashi Asahara, Daiki Kobayashi, Rina Nishigami, Takeshi Konishi, Shuichi Murakami, Motochika Maki
The 3rd International Conference on Radiological Physics and Technology (ICRPT), Apr., 2024
-
Direct dose measurement method during chest CT examination by taking into consideration the X-ray incident direction
Hiroaki HAYASHI, Tatsuya MAEDA, Sota GOTO, Kazuki TAKEGAMI, Takashi ASAHARA, Rina NISHIGAMI, Daiki KOBAYASHI, Yuki KANAZAWA, Kazuta YAMASHITA
European Congress of Radiology, ECR2024, Feb., 2024
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Applicability of high tube voltage imaging to achieve accurate quantitative images when applying photon counting detectors to general radiography
Rina Nishigami, Hiroaki Hayashi, Daiki Kobayashi, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Natsumi Kimoto, Shuichiro Yamamoto
SPIE Medical Imaging 2024, Feb., 2024
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Will general radiography become more valuable when exploiting the performance of a photon counting detector?
Daiki KOBAYASHI, Hiroaki HAYASHI, Rina NISHIGAMI, Cheonghae LEE, Tatsuya MAEDA, TAKASHI ASAHARA, Yuki KANAZAWA, Akitoshi KATSUMATA, Natsumi KIMOTO, Shuichiro YAMAMOTO
The 109th Scientific Assembly and Annual Meeting of the Radiological Society of North America, Nov., 2023
-
How can we establish direct radiation dose measurement during CT examinations?
Hiroaki HAYASHI, Tatsuya MAEDA, Kazuki TAKEGAMI, Sota GOTO, Rina NISHIGAMI, Daiki KOBAYASHI, Takashi ASAHARA, Yuki KANAZAWA, Kazuta YAMASHITA, Kosaku HIGASHINO
The 109th Scientific Assembly and Annual Meeting of the Radiological Society of North America, Nov., 2023
-
Metabolic Analysis within an Atherosclerotic Plaque Using Chemical Exchange Saturation Transfer Imaging
Yuki Kanazawa, Tosiaki Miyati, Masafumi Harada, Mitsuharu Miyoshi, Mayuka Seguchi, Hiroaki Hayashi, Yuki Matsumoto, Yasuhisa Kanematsu, and Yasushi Takagi
The 109th Scientific Assembly and Annual Meeting of the Radiological Society of North America, Nov., 2023
-
Blurring correction for calculating functional images using an energy resolving photon counting detector
Daiki Kobayashi, Hiroaki Hayashi, Rina Nishigami, Cheonghae Lee, Tatsuya Maeda, Yuki Kanazawa, Akitoshi Katsumata, Natsumi Kimoto, Shuichiro Yamamoto
The 2023 IEEE Nuclear Science Symposium and Medical Imaging Conference, Nov., 2023
-
Simulation study on functional images to optimize radiographic condition using energy resolving photon counting detector
Rina Nishigami, Hiroaki Hayashi, Daiki Kobayashi, Cheonghae Lee, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Natsumi Kimoto, Shuichiro Yamamoto
The 2023 IEEE Nuclear Science Symposium and Medical Imaging Conference, Nov., 2023
-
Automatic determination algorithm of intrinsic parameters on response function of energy-resolving photon counting imaging detector
Cheonghae Lee, Hiroaki Hayashi, Daiki Kobayashi, Rina Nishigami, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Akitoshi Katsumata, Natsumi Kimoto, Shuichiro Yamamoto
The 2023 IEEE Nuclear Science Symposium and Medical Imaging Conference, Nov., 2023
-
Absolute measurement of bone mineral density in general radiography using energy-resolving photon-counting detector
Natsumi Kimoto, Hiroaki Hayashi, Cheonghae Lee, Rina Nishigami, Daiki Kobayashi, Akitoshi Katsumata, Shuichiro Yamamoto
The 2023 IEEE Nuclear Science Symposium and Medical Imaging Conference, Nov., 2023
-
Feasibility study of X-ray shielding procedure for reducing thyroid dose caused by overranging effect during CT examination
Kazuki Takegami, Tatsuya Maeda, Hiroaki Hayashi, Rina Nishigami, Cheonghae Lee, Takashi Asahara, Sota Goto, Shuichiro Murakami, Takeshi Konishi, Motochika Maki
The 39th Japan Conference of Radiological Technologists(39JCRT)and the 30th East Asia Conference of Radiological Technologists (30EACRT), Sep., 2023
-
A pilot study of novel remote audits of radiotherapy beams using Al2O3:C OSL dosimetry system
Takuya Hashizume, Sota Goto, Morihito Shimizu, Hidetoshi Yamaguchi, Hiroaki Hayashi, Mihoko Mizushita, Hiroshi Sekiguchi
20th International Conference on Solid State Dosimetry (SSD20), Sep., 2023
-
An active-type personal dosimeter having functions to derive both incident direction and absolute dose of scattered X-rays during clinical X-ray examinations
Takashi ASAHARA, Hiroaki HAYASHI, Tatsuya MAEDA, Daiki KOBAYASHI, Sota GOTO, Rina NISHIGAMI, Miku ANDO, Cheonghae LEE, Yuki KANAZAWA, Kazuta YAMASHITA, Naoki MAEDA, Satoshi IMAJO, Mitsugi HONDA
20th International Conference on Solid State Dosimetry (SSD20), Sep., 2023
-
Beam quality conversion factor of BeO-OSLD for a high-energy photon beam
Miku ANDO, Hiroaki HAYASHI, Sota GOTO, Hidetoshi YAMAGUCHI, Morihito SHIMIZU
20th International Conference on Solid State Dosimetry (SSD20), Sep., 2023
-
Exposure Dose Reduction in Medical X-ray Diagnostics for BMD Measurement
Tatsuya MAEDA, Hiroaki HAYASHI, Miku ANDO, Rina NISHIGAMI, Daiki KOBAYASHI, Cheonghae LEE, Takashi ASAHARA, Sota GOTO, Kazuki TAKEGAMI, Kazuta YAMASHITA, Kosaku HIGASHINO, Shuichi MURAKAMI, Takeshi KONISHI, Motochika MAKI
20th International Conference on Solid State Dosimetry (SSD20), Sep., 2023
-
Evidence of exposure dose reduction outside the scanning region during fast scan chest CT examination through the use of an X-ray shield
Hiroaki HAYASHI, Tatsuya MAEDA, Kazuki TAKEGAMI, Rina NISHIGAMI, Daiki KOBAYASHI, Cheonghae LEE, Takashi ASAHARA, Sota GOTO, Miku ANDO, Yuki KANAZAWA, Kazuta YAMASHITA, Kosaku HIGASHINO, Shuichi MURAKAMI, Takeshi KONISHI, Motochika MAKI
20th International Conference on Solid State Dosimetry (SSD20), Sep., 2023
-
Myelin Water Atlas Template derived from Quantitative Parameter Mapping
Yuki Kanazawa, Shun Kitano, Masafumi Harada, Yo Taniguchi, Yuki Matsumoto, Hiroaki Hayashi, Kosuke ito, Yoshitaka Bito, and AkihiroHaga
2023 ISMRM & ISMRT Annual Meeting, June, 2023
-
Evaluation of Biological Metabolic Activity within an Atherosclerotic Plaque using Chemical Exchange Saturation Transfer Imaging
Yuki Kanazawa, Tosiaki Miyati, Masafumi Harada, Mitsuharu Miyoshi, Yuki Matsumoto, Hiroaki Hayashi, Yasuhisa Kanematsu, and YasushiTakagi
2023 ISMRM & ISMRT Annual Meeting, June, 2023
-
Diffusion Weighted-Viscosity Imaging for Atherosclerotic Plaques
Mayuka Seguchi, Yuki Kanazawa, Tosiaki Miyati, Masafumi Harada, Mitsuharu Miyoshi, Yuki Matsumoto, Hiroaki Hayashi, YasuhisaKanematsu, and Yasushi Takagi
2023 ISMRM & ISMRT Annual Meeting, June, 2023
-
A novel function for wearable dosimeters: to determine both incident direction and absolute dose of X-rays during IVR procedure
Takashi Asahara, Hiroaki Hayashi, Tatsuya Maeda, Daiki Kobayashi, Sota Goto, Cheonghae Lee, Yuki Kanazawa, Naoki Maeda, Satoshi Imajo, Mitsugi Honda
The 2nd International Conference on Radiological Physics and Technology (ICRPT), Apr., 2023
-
Findings for manufacturing novel X-ray shields having elasticity
Tatsuya Maeda, Hiroaki Hayashi, Miku Ando, Cheonghae Lee, Takeshi Konishi, Shuichi Murakami, Motochika Maki
The 2nd International Conference on Radiological Physics and Technology (ICRPT), Apr., 2023
-
A correction method for object edge blurring that is effective for quantitative analysis using photon counting imaging
Daiki Kobayashi, Hiroaki Hayashi, Cheonghae Lee, Rina Nishigami, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Akitoshi Katsumata, Natsumi Kimoto, Shuichiro Yamamoto
The 2nd International Conference on Radiological Physics and Technology (ICRPT), Apr., 2023
-
Suitability of High-Tube-Voltage Imaging When Using Energy Resolving Photon Counting Detector (ERPCD): Simulation Study
Rina Nishigami, Hiroaki Hayashi, Cheonghae Lee, Daiki Kobayashi, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Tomonobu Haba, Natsumi Kimoto, Shuichiro Yamamoto
The 2nd International Conference on Radiological Physics and Technology (ICRPT), Apr., 2023
-
Thyroid dose reduction related to the overranging effect by using a novel sponge-type shield during high-pitch chest CT examination
Kazuki Takegami, Hiroaki Hayashi, Tatsuya Maeda, Cheonghae Lee, Rina Nishigami,Takashi Asahara, Shuichi Murakami, Takeshi Konishi, Motochika Maki
The 2nd International Conference on Radiological Physics and Technology (ICRPT), Apr., 2023
-
Investigation of properties related to BeO-based OSL dosimeter sensitivity in high-energy photon beam
Miku Ando, Hiroaki Hayashi, Sota Goto, Hidetoshi Yamaguchi, Morihito Shimizu
The 2nd International Conference on Radiological Physics and Technology (ICRPT), Apr., 2023
-
Experimental study to develop elastic radiation shields embedded with metal particles
Tatsuya MAEDA, Hiroaki HAYASHI, Miku ANDO, Cheonghae LEE, Takeshi KONISHI, Shuichi MURAKAMI, Motochika MAKI, Kazuta YAMASHITA, Kosaku HIGASHINO
European Congress of Radiology (ECR), Mar., 2023
-
Practical procedure to reduce thyroid dose related to the overranging effect during fast chest CT examination using a novel sponge shield with embedded fine bismuth particles
Kazuki Takegami, Hiroaki Hayashi, Tatsuya Maeda, Cheonghae Lee, Rina Nishigami, Takashi Asahara, Shuichi Murakami, Takeshi Konishi, Motochika Maki
European Congress of Radiology (ECR), Mar., 2023
-
A wearable active-type dosimeter having novel functions to derive both incident direction and absolute dose of scattered X-rays during IVR procedures
Takashi Asahara, Hiroaki Hayashi, Tatsuya Maeda, Sota Goto, Daiki Kobayashi, Cheonghae Lee, Yuki Kanazawa, Naoki Maeda, Mitsugi Honda
European Congress of Radiology (ECR), Mar., 2023
-
A Novel Method to Reduce Exposure Dose When Performing BMD Measurement Using Diagnostic X-ray Examinations
Tatsuya Maeda, Hiroaki Hayashi, Miku Ando, Cheonghae LEE, Rina Nishigami, Daiki Kobayashi, Kazuta Yamashita, Kosaku Higashino, Takeshi Konishi, Shuichi Murakami, Motochika Maki
22nd Asia-Oceania Congress on Medical Physics, AOCMP 2022, Dec., 2022
-
The development of a postal dosimetry procedure for high-energy photon beams using OSL dosimeters in Japan
Sota Goto, Hiroaki Hayashi, Hidetoshi Yamaguchi, Hiroshi Sekiguchi, Ryuji Akino, Morihito Shimizu
22nd Asia-Oceania Congress on Medical Physics, AOCMP 2022, Dec., 2022
-
Determination of Alzheimer's disease based on morphology and atrophy using machine learning combined with automated segmentation
Natsuki Ikemitsu, Yuki Kanazawa, Akihiro Haga, Hiroaki Hayashi, Yuki Matsumoto, Masafumi Harada
2022 Joint Annual Meeting ISMRM-ESMRMB & ISMRT 31st Annual Meeting, May, 2022
-
Evaluation of Blood Flow and Plaque Vulnerability in Carotid Artery Stenosis Focusing on Morphological and Component Characteristics
Yuki Matsumoto, Yuki Kanazawa, Yuki Kinjo, Masafumi Harada, Tosiaki Miyati, Hiroaki Hayashi, Mitsuharu Miyoshi, Naoki Maeda, Yasuhisa Kanematsu, Yasushi Takagi, Akihiro Haga
2022 Joint Annual Meeting ISMRM-ESMRMB & ISMRT 31st Annual Meeting, May, 2022
-
Conversion map from quantitative parameter mapping to myelin water fraction
Shun Kitano, Yuki Kanazawa, Masafumi Harada, Yo Taniguchi, Yuki Matsumoto, Hiroaki Hayashi, Kosuke Ito, Yoshitaka Bito, Akihiro Haga
2022 Joint Annual Meeting ISMRM-ESMRMB & ISMRT 31st Annual Meeting, May, 2022
-
Development of self-calibrating B1 correction for three-dimensional variable flip angle T1 mapping
Nagomi Fukuda, Yuki Kanazawa, Hiroaki Hayashi, Yuki Matsumoto, Masafumi Harada, Motoharu Sasaki, Akihiro Haga
2022 Joint Annual Meeting ISMRM-ESMRMB & ISMRT 31st Annual Meeting, May, 2022
-
Determination of white matter structure index for voxel based morphometry and connectivity analysis
N. Ikemitsu, Y. Kanazawa, M. Harada, Y. Matsumoto, H. Hayashi
ECR2022, Vienna, Mar. 2022
-
Development of a B1 correction method without additional scanning VFA T1 map
Nagomi Fukuda, Yuki Kanazawa, Hiroaki Hayashi, Yuki Matsumoto, Masafumi Harada, Motoharu Sasaki, and Akihiro Haga
ECR2022, Vienna, Mar. 2022
-
What Information Can We Derive From In-vivo Rectum Dose Measurement During RALS Irradiation?
Hiroaki HAYASHI, Natsumi KIMOTO, Tatsuya MAEDA, Takashi ASAHARA, Sota GOTO, Cheonghae Lee, Miku ANDO, Yuki KANAZAWA, Hitoshi IKUSHIMA, Tohru OKAZAKI, Takuya HASHIZUME
RSNA2021, Chicago, Nov. 2021
-
Is it possible to evaluate morphological carotid artery stenosis information using NASCET criteria?
Naoki Maeda, Yuki Kanazawa, Yuki Kinjyo, Yuki Matsumoto, Masafumi Harada, Tosiaki Miyati, Hiroaki Hayashi, Mitsuharu Miyoshi, Yasuhisa Kanematsu, Yasushi Takagi, and Akihiro Haga
RSNA2021, Chicago, Nov. 2021
-
An idea for preparing the stabilized optically stimulated luminescence (OSL) dosimeters having smaller signal depletion
Sota GOTO, Hidetoshi YAMAGUCHI, Morihito SHIMIZU, Hiroaki HAYASHI, Hiroshi SEKIGUCHI, Ryuji AKINO
IEEE(NSS), On-line meeting, Oct. 2021
-
Bone and soft-tissue images extraction through derivation of effective atomic number image using photon-counting detector
Cheonghae Lee, Hiroaki Hayashi, Natsumi Kimoto, Tatsuya Maeda, Miku Ando, Yuki Kanazawa, Akitoshi Katsumata, Shuichiro Yamamoto, Masahiro Okada
IEEE(MIC), On-line meeting, Oct. 2021
-
Trial to Fabricate a Radiation Dosimeter Having Functions to Determine Both Incident Angle and Exposure Dose of Scattered X-rays
Takashi ASAHARA, Hiroaki HAYASHI, Tatsuya MAEDA, Satoshi IMAJO, Miho NUMATA, Mitsugi HONDA
3rd Technological Competency As Caring In The Health Sciences, On-line, Aug. 2021
-
High Accuracy Measurement of Absorbed Dose to Water using Optically Stimulated Luminescence Dosimeter in High-energy photon beam field
Sota GOTO, Hiroaki Hayashi, Hidetoshi Yamaguchi, Morihito Shimizu
2020 Joint AAPM | COMP Virtual Meeting. Jul. 2020
-
How can we perform actual dose measurement? Clinically applicable procedures and its impact
Takashi Asahara, Hiroaki Hayashi, Natsumi Kimoto, Sota Goto, Kazuki Takegami, Tatsuya Maeda, Cheonghae Lee, Yuki Kanazawa, Kazuta Yamashita, Kosaku Higashino
RSNA2020, Chicago, Dec. 2020
-
Chemical Exchange Saturation Transfer Imaging for Atherosclerotic Plaques
Yuki Kanazawa, Masafumi Harada, Tosiaki Miyati, Takashi Abe, Mitsuharu Miyoshi, Yuki Matsumoto, Hiroaki Hayashi, Yasuhisa Kanematsu, and Yasushi Takagi
ISMRM2020, Sydney, Apr. 2020
-
Optimizing the imaging conditions of energy resolved photoncounting mammography by simulating the characteristics of an actual detector
H. Kimura, S. Koyama, Y. Kodera, H. Hayashi, N. Kimoto, H. Nishide, S., Yamamoto, M. Okada , D. Hashimoto
ECR2020, Vienna, Mar. 2020
-
Dose calibration factor of an OSL dosimeter during CT examination to measure exposure dose of patients taking into consideration proper X-ray quality
Kazuki Takegami, Hiroaki Hayashi, Takashi Asahara, Sota Goto, Emi Tomita, Natsumi Kimoto, Yuki Kanazawa, Shohei Kudomi
ECR2020, Vienna, Mar. 2020
-
Multicomponent T1 Relaxometry Analysis using Quantitative Parameter Mapping Magnetic Resonance Imaging
Naoki Maeda, Yuki Kanazawa, Masafumi Harada, Yo Taniguchi, Yuki Matsumoto, Takashi Abe, Hiroaki Hayashi, Masaharu Ono, and Yoshitaka Bito
ECR2020, Vienna, Mar. 2020
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Multi-components analysis of brain using ultrashort echo time magnetic resonance imaging
Yugo Wada, Yuki Kanazawa, Masafumi Harada, Naoki Maeda, Yuki Matsumoto, Takashi Abe, Hiroaki Hayashi, and Mitsuharu Miyoshi
ECR2020, Vienna, Mar. 2020
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Photon counting technique: How to analyze a novel quantitative image?
Natsumi Kimoto, Hiroaki Hayashi, Takumi Asakawa, Takashi Asahara, Tatsuya Maeda, Akitoshi Katsumata, Yuki Kanazawa, Shuji Koyama, Shuichiro Yamamoto, Masahiro Okada
RSNA2019 Education Exhibit Presentation, Chicago, Dec. 2019
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Importance of considering the response function of photon counting detectors with the goal of precise material identification
Takumi Asakawa, Hiroaki Hayashi, Natsumi Kimoto, Takashi Asahara, Tatsuya Maeda, Shuji Koyama, Shuichiro Yamamoto, Masahiro Okada
IEEE Nuclear Science Symposium and Medical Imaging Conference, Manchester, Oct. 2019
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Feasibility study of photon counting detector for producing effective atomic number image
Natsumi Kimoto, Hiroaki Hayashi, Takumi Asakawa, Takashi Asahara, Tatsuya Maeda, Yuki Kanazawa, Akitoshi Katsumata, Shuichiro Yamamoto, Masahiro Okada
IEEE Nuclear Science Symposium and Medical Imaging Conference, Manchester, Oct. 2019
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Measurements of neutron dose equivalents during BNCT using fluorescent nuclear track detectors
Takuya Hashizume, Toshiya Sanami, Masayuki Hagiwara, Hideaki Monjushiro, Taichi Miura, Hiroaki Kumada, Tohru Okazaki, Hiroaki Hayashi
19th International Conference on Solid State Dosimetry (SSD19), Hiroshima, Sep. 2019
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Precise dose calibration method of OSL dosimeter with help of X-ray spectra toward exposure dose evaluation of eye lens
Takashi Asahara, Hiroaki Hayashi, Sota Goto, Emi Tomita, Natsumi Kimoto, Takumi Asakawa, Kazuki Takegami, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume
19th International Conference on Solid State Dosimetry (SSD19), Hiroshima, Sep. 2019
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Practical calibration curve for a small-type OSL dosimeter to measure exposure dose of patients during medical X-ray diagnosis
Kazuki Takegami, Hiroaki Hayashi, Natsumi Kimoto, Sota Goto, Emi Tomita, Asahara Takashi, Yoshiki Mihara, Yuki Kanazawa
19th International Conference on Solid State Dosimetry (SSD19), Hiroshima, Sep. 2019
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Development of a Clinically Applicable Rectum Dosimeter for Brachytherapy using an Optically Stimulated Luminescence Dosimeter
Emi Tomita, Hiroaki Hayashi, Takashi Asahara, Natsumi Kimoto, Sota Goto, Yuki Kanazawa, Yasufumi Shitakubo, Kanako Sakuragawa, Hitoshi Ikushima, Tohru Okazaki, Takuya Hashizume
19th International Conference on Solid State Dosimetry (SSD19), Hiroshima, Sep. 2019
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Novel Disk-Shaped OSL Dosimeter Having Smaller Angular Dependence
Sota GOTO, Hiroaki HAYASHI, Emi TOMITA, Takashi ASAHARA, Natsumi KIMOTO, Yuki KANAZAWA, Hidetoshi YAMAGUCHI, Morihito SHIMIZU
19th International Conference on Solid State Dosimetry (SSD19), Hiroshima, Sep. 2019
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Spontaneous fission studies for neutron-rich Fm and Lr isotopes
ASAI Masato,TSUKADA Kazuaki, HIROSE Kentaro, TOYOSHIMA Atsushi, TOMITSUKA Tomohiro, CHIERA Nadine M., ITO Yuta, MAKII Hiroyuki, NAGAME Yuichiro, NISHIO Katsuhisa, ORLANDI Riccardo, RATHA K. K., SATO Tetsuya, SUZUKI Hayato, TOKOI Katsuyuki, VERMEULEN Mark James, YANAGIHARA Rikuto, NISHINAKA Ichiro, KAMADA Hiroki, SHIBATA Michihiro, GOTO Shin-ichi, HIROSE Hikaru, HAYASHI Hiroaki, SAKAMA Minoru, ANDREYEV Andrei N.
6th international conference on the chemistry and physics of the transactinide elements, Wilhelmshaven, Aug. 2019
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Thermal sensitive pH imaging using CEST
Yuki Kanazawa, Daiki Chiba, Masafumi Harada, Tosiaki Miyati, Mitsuharu Miyoshi, Hiroaki Hayashi, Yuki Matsumoto, and Akihiro Haga
ISMRM 27th Annual Meeting, Montreal, May 2019
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Myelin imaging derived from quantitative parameter mapping
Yuki Kanazawa, Masafumi Harada, Yo Taniguchi, Hiroaki Hayashi, Takashi Abe, Maki Otomo, Yuki Matsumoto, Masaharu Ono, Yoshitaka Bito, and Akihiro Haga
ISMRM 27th Annual Meeting, Montreal, May 2019
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Determining the difference of calibration factors in diagnostic X-rays and mono-energetic X-rays of the small type OSL dosimeter for a more precise dose evaluation in diagnostic X-ray examinations
Tohru Okazaki, Hiroaki Hayashi, Sota Goto, Takashi Asahara, Emi Tomita, Yuki Kanazawa, Takuya Hashizume, Vergil Cruz, Cheng Wei Hsin
European Congress of Radiology, Vienna, Mar. 2019
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Actual dose measurements of assistant during pediatric X-ray examination with a precisely calibrated optically stimulated luminescence dosimeter
Takashi Asahara, Hiroaki Hayashi, Emi Tomita, Yoshiki Mihara, Sota Goto, Yuki Kanazawa, Natsumi Kimoto, Takumi Asakawa, Tohru Okazaki
European Congress of Radiology, Vienna, Mar. 2019
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Where do the scattering X-rays to eye lens exposure come from during neonatal cardiac CT examination?
Yoshiki Mihara, Hiroaki Hayashi, Takumi Uehara, Emi Tomita, Sota Goto, Keiji Tada, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume
European Congress of Radiology, Vienna, Mar. 2019
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Evaluation of dose to risk organ during brachytherapy for cervical cancer using a novel passive rectum dosimeter
Emi Tomita, Hiroaki Hayashi, Takashi Asahara, Yasufumi Shitakubo, Kanako Sakuragawa, Hitoshi Ikushima, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume
European Congress of Radiology, Vienna, Mar. 2019
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Effective atomic number image produced with energy-resolved photon counting detector toward the development of next-generation plain X-ray diagnosis
Natsumi Kimoto, Hiroaki Hayashi, Takumi Asakawa, Takashi Asahara, Akitoshi Katsumata, Yuki Kanazawa, Shuichiro Yamamoto, Masahiro Okada
European Congress of Radiology, Vienna, Mar. 2019
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A novel mammographic substance discrimination technique with fusion imaging: Initial results of detection of breast cancer from resected breast tissues by energy-resolved photon counting detector
M. Sasaki, S. Koyama, Y. Kodera, H. Nishide, M. Mizutani, M. Watanabe, N. Yoshida, H. Hayashi, S. Yamamoto
European Congress of Radiology, Vienna, Mar. 2019
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A novel mammographic fusion imaging technique: the first results of tumor tissues detection from resected breast tissues using energy-resolved photon counting detector
Mariko Sasaki, Shuji Koyama, Yoshie Kodera, Reina Suzuki, Hiroto Kimura, Hiroko Nishide, Mitsuhiro Mizutani, Megumi Watanabe, Naoko Yoshida, Hiroaki Hayashi, Natsumi Kimoto, Shuichiro Yamamoto, Daisuke Hashimoto, Masahiro Okada
SPIE Medical Imaging, San Diego, Feb. 2019
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Quantitative evaluation of local offset frequency for CEST imaging
Yuki Kanazawa, Daiki Chiba, Masafumi Harada, Tosiaki Miyati, Mitsuharu Miyoshi, Hiroaki Hayashi, Akihiro Haga
The 3rd Annual Scientific Meeting of the Japanese Chapter of ISMRM, Nagoya, Dec. 2018
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Development and Implementation of the In-Vivo Dosimeter for High-Dose-Rate (HDR) Ir-192 Brachytherapy Using Optically Stimulated Luminescence Dosimeters (OSLDs)
A. Ue, Y. Miyahara, E. Tomita, H. Hayashi, M. Tokudo, Y. Imoto, Y. Hieda, Y. Tamaki, T. Inomata, H. Kitagaki, Y. Yamamoto, T. Okazaki
Evaluation of Rectal Dose in Clinical Cases, Radiological Society of North America (RSNA), Chicago, Nov. 2018
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Availability of the high pitch dual source CT for the chest examination: actual surface dose measurement using an OSL dosimeter to optimize irradiation parameters
Kazuki Takegami, Hiroaki Hayashi, Shogo Tokurei, Yurina Ohka, Shohei Kudomi, Tohru Okazaki, Takuya Hashizume
Radiological Society of North America (RSNA), Chicago, Nov. 2018
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Multiple readouts of response of OSL dosimeter to achieve highly accurate measurement of radiation dose during diagnostic X-ray examination
Kazuki Takegami, Yurina Ohka, Hideyuki Iwanaga, Hiroaki Hayashi, Tohru Okazaki, Takuya Hashizume
34th annual meeting of JCRT, Shimonoseki, Sep. 2018
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Trial study for development of a novel-formed dosimeter having lower angular dependence
Sota GOTO, Hiroaki HAYASHI, Emi TOMITA, Natsumi KIMOTO, Takumi UEHARA, Yuki KANAZAWA, Takumi ASAKAWA, Takashi ASAHARA, Tohru OKAZAKI1, Takuya HASHIZUME
18th Asia-Oceania Congress of Medical Physics (AOCMP), Malaysia, Nov. 2018
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Evaluating the energy dependence of the small type Optically Stimulated Luminescence (OSL) “nanoDot” dosimeters in the energy region of diagnostic X-rays by using Monte Carlo Simulation
Vergil L E Cruz, Tohru Okazaki, Hiroaki Hayashi, Takashi Asahara, Sota Goto, Yoshiki Mihara, Emi Tomita, Yuki Kanazawa, Natsumi Kimoto, Takuya Hashizume, Cheng Wei Hsin
18th Asia-Oceania Congress of Medical Physics (AOCMP), Malaysia, Nov. 2018
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The basic characteristics of a prototype eye lens dosimeter using thermoluminescence detector
Tohru Okazaki, Hiroshi Sekiguchi, Hiroaki Hayashi, Sumi Yokoyama, Tadahiro Kurosawa, Masahiro Kato, Takuya Hashizume, Vergil Cruz, Cheng Wei Hsin
18th Asia-Oceania Congress of Medical Physics (AOCMP), Malaysia, Nov. 2018
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Reproduction of response functions of a multi-pixel-type energy-resolved photon counting detector while taking into consideration interaction of X-rays, charge sharing and energy resolution
Natsumi Kimoto, Hiroaki Hayashi, Takashi Asahara, Emi Tomita, Sota Goto, Yuki Kanazawa, Shuichiro Yamamoto, Masahiro Okada, Masashi Yamasaki
25th International Symposium on Room-Temperature Semiconductor X-ray & Gamma-ray Detectors, IEEE(MIC), Sydney, November. 2018
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First Trial of Actual Dose Measurement of Organ at Risk During Brachytherapy for Cervical Cancer in Tokushima University Hospital
Emi Tomita, Hiroaki Hayashi, Takashi Asahara, Yasufumi Shitakubo, Kanako Sakuragawa, Hitoshi Ikushima, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume
Second International Seminar and Workshop on Technological Competency as Caring in the Health Science, Tokushima, Aug. 2018
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Identification of breast tissue using the X-ray image measured with an energy-resolved cadmium telluride series detector based on photon-counting technique
Mariko SASAKI, Shuji KOYAMA, Yoshie KODERA, Reina SUZUKI, Ai NAKAJIMA, Hiroko NISHIDE, Mitsuhiro MIZUTANI, Megumi WATANABE, Naoko YOSHIDA, Hiroaki HAYASHI, Tsutomu YAMAKAWA, Shuichiro YAMAMOTO, Daisuke HASHIMOTO, Masahiro OKADA
14th International Workshop on Breast Imaging (IWBI), Atlanta, July. 2018
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Development of energy-resolved photon-counting mammography with a cadmium telluride series detector to reduce radiation exposure and increase contrast-to-noise ratio using the high-energy X-rays
Reina SUZUKI, Shuji KOYAMA, Yoshie KODERA, Ai NAKAJIMA, Mariko SASAKI, Hiroto KIMURA, Hiroaki HAYASHI, Tsutomu YAMAKAWA, Shuichiro YAMAMOTO, Daisuke HASHIMOTO, Masahiro OKADA
14th International Workshop on Breast Imaging (IWBI), Atlanta, July. 2018
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Importance of quantitative evaluation of jaw bones
Katsumata A, Fujita H, Hayashi H
Computer Assisted Radiology and Surgery (CARS), Berlin, June. 2018
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Radiation dose measurement in pediatric CT examination using nanoDot dosimeters, a small type Optically Stimulated Luminescence (OSL) dosimeter
Vergil Lorenzo Estacio Cruz, Hiroaki Hayashi, Emi Tomita, Yuki Kanazawa, Sota Goto, Yoshiki Mihara, Natsumi Kimoto, Takashi Asahara, Keiji Tada, Ryosuke Kasai, Kosaku Higashino, Kazuta Yamashita, Tohru Okazaki, Takuya Hashizume
5th Asian and Oceanic IRPA Regional Congress on Radiation Protection (AOARP5), Melbourne, May. 2018
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Simulation of alpha-ray track images on fluorescence nuclear track detectors using Monte Carlo code
Takuya Hashizume, Tohru Okazaki, Toshiya Sanami, Masayuki Hagiwara, Monjushiro Hideaki, Hiroaki Hayashi, Ikuo Kobayashi
5th Asian and Oceanic IRPA Regional Congress on Radiation Protection (AOARP5), Melbourne, May. 2018
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Proper Calibration Factor of Small Type OSL Dosimeter for Evaluating Eye Lens Dose of Operators during X-ray Fluoroscopic Procedure
Tohru Okazaki, Hiroaki Hayashi, Takashi Asahara, Sota Goto, Yoshiki Mihara, Emi Tomita, Yuki Kanazawa, Natsumi Kimoto, Takuya Hashizume, Vergil LE Cruz, Cheng Wei Hsin, Sumi Yokoyama
5th Asian and Oceanic IRPA Regional Congress on Radiation Protection (AOARP5), Melbourne, May. 2018
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Radiation Dose to the Lens of the Eye of Interventional Cardiologists and the Effect of Protectors on Dose Reduction
Sumi Yokoyama, Shinji Arakawa, Tomonobu Haba, Satoshi Inoue, Yutaka Kinomura, Hiroaki Hayashi, Tohru Okazaki, Ikuo Kobayashi, Tadahiro Kurosawa, Masahiro Katoh, Hiroshi Toyama
5th Asian and Oceanic IRPA Regional Congress on Radiation Protection (AOARP5), Melbourne, May. 2018
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Does the amount of signal change depend on calcium concentration in lipid-rich core plaque?
Yuki Kanazawa, Kotaro Baba, Miyati Tosiaki, Masafumi Harada, Hiroaki Hayashi, Ikuho Kosaka, Mitsuharu Miyoshi, Michael Carl and Yuki Matsumoto
International Society for Magnetic Resonance in Medicine (ISMRM) 26th Annual Meeting, Paris, Jun. 2018
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T1 dependency of magnetization transfer effect in human brain
Yuki Kanazawa, Toshiaki Sasaki, Hiroaki Hayashi, Kotaro Baba, Ikuho Kosaka, Yuki Mtasumoto, Mitsuharu Miyoshi and Masafumi Harada
International Society for Magnetic Resonance in Medicine (ISMRM) 26th Annual Meeting, Paris, Jun. 2018
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Nuclear Overhauser enhancement effect of low B1 power CEST RF in human brain at 3.0 T
Yuki Kanazawa, Masafumi Harada, Mitsuharu Miyoshi, Ikuho Kosaka, Kotaro Baba, Hiroaki Hayashi and Yuki Matsumoto
International Society for Magnetic Resonance in Medicine (ISMRM) 26th Annual Meeting, Paris, Jun. 2018
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評估患者狀況的差異對小兒電腦斷層掃描(CT)檢查期間使用小型光刺激發光(OSL)劑量計(nanoDot)做直接劑量測量之影響
Cheng Wei Hsin, Hiroaki Hayashi, Emi Tomita, Keiji Tada, Yoshiki Mihara, Natsumi Kimoto, Ryosuke Kasai, Yuki Kanazawa, Vergil L E Cruz, Takuya Hashizume, Ikuo Kobayashi
51st Annual meeting of Taiwan Society of Radiation Technology, Taiwan, Mar. 2018
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Preliminary study for eye lens dose evaluation of the medical staff during interventional fluoroscopy using Optically Stimulated Luminescence dosimeters
Tohru Okazaki, Hiroaki Hayashi, Takashi Asahara, Sota Goto, Yoshiki Mihara, Emi Tomita, Yuki Kanazawa, Natsumi Kimoto, Takuya Hashizume, Vergil L E Cruz, Cheng Wei Hsin, Sumi Yokoyama, Ikuo Kobayashi
51st Annual meeting of Taiwan Society of Radiation Technology, Taiwan, Mar. 2018
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Phantom study using an OSL dosimeter with the aim of accurate measurement of eye lens dose exposure of operator during transfemoral cardiac catheterization using fluoroscopic examination
Takashi Asahara, Hiroaki Hayashi, Emi Tomita, Sota Goto, Natsumi Kimoto, Kenji Yamada, Sumi Yokoyama, Yuki Kanazawa, Tohru Okazaki
European Congress of Radiology, Vienna, Mar. 2018
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Dose evaluation of radiosensitive organs during high-pitch third generation dual-source CT of the chest
Kazuki Takegami, Hiroaki Hayashi, Shogo Tokurei, Ayumi Hashimoto, Shohei Kudomi, Tohru Okazaki, Takuya Hashizume
European Congress of Radiology, Vienna, Mar. 2018
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Gamma ray effect on reading alpha particle tracks using fluorescent nuclear track detectors (FNTDs) -Difference with track angles-
Takuya Hashizume, Tohru Okazaki, Toshiya Sanami, Masayuki Hagiwara, Hideaki Monjushiro, Hiroaki Hayashi, Ikuo Kobayashi
Internatinal Symposium on Radiation Detectors and Their Users (ISRD2018), Tsukuba(Japan), Jan. 2018
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Evaluation of Dose Response Characteristics of a Small Type Optically Stimulated Luminescence Dosimeter Irradiated with More Than 10 Gy
Tohru Okazaki, Takuya Hashizume, Yoshinori Hashimoto, Masashi Shirakata, Hajime Nakamura, Vergil LE Cruz, Cheng Wei Hsin, Hiroaki Hayashi, Ikuo Kobayashi
Internatinal Symposium on Radiation Detectors and Their Users (ISRD2018), Tsukuba(Japan), Jan. 2018
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Possibility of element mixed with Aluminum Oxide
Ikuo Kobayashi, Tohru Okazaki, Takuya Hashizume, Vergil LE Cruz, Cheng Wei Hsin, Hiroaki Hayashi
Internatinal Symposium on Radiation Detectors and Their Users (ISRD2018), Tsukuba(Japan), Jan. 2018
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Universal calibration curve for a small-type OSL dosimeter to be used for direct dose measurements of direct, scattered and penetrating X-rays in the diagnostic region
Kazuki Takegami, Hiroaki Hayashi, Natumi Kimoto, Yoshiki Mihara, Yuki Kanazawa, Kousaku Higashino, Kazuta Yamashita, Fumio Hayashi, Tohru Okazaki, Takuya Hashizume and Ikuo Kobayashi
Radiological Society of North America (RSNA), Chicago, Illinois, Dec. 2017
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Energy dependence of nanoDot OSL dosimeters to low energy X-rays using Monte-Carlo simulation code EGS5
Cruz LE Vergil, Sota Goto, Tohru Okazaki, Hiroaki Hayashi, Emi Tomita, Yoshiki Mihara, Takashi Asahara, Takuya Hashizume, Cheng Wei Hsin and Ikuo Kobayashi
AOCMP-AMPICON 2017, Jaipur, Nov. 2017
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Practical phantom study using small-type OSL dosimeter toward direct dose measurement during pediatric CT examination
Tohru Okazaki, Hiroaki Hayashi, Emi Tomita, Sota Goto, Keiji Tada, Yoshiki Mihara, Natsumi Kimoto, Ryosuke Kasai, Yuki Kanazawa, Cruz LE Vergil, Takuya Hashizume, Hsin Wei Cheng and Ikuo Kobayashi
AOCMP-AMPICON 2017, Jaipur, Nov. 2017
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Which is More Important for Quantitative Susceptibility Mapping? -SNR of Phase vs Spin Dephasing-
Yuki Matsumoto, Yuki Kanazawa, Toshiaki Sasaki, Natsuki Ikemitsu, Hiroaki Hayashi, Mitsuharu Miyoshi, Masafumi Harada and Hideki Otsuka
Radiological Society of North America (RSNA), Chicago, Nov. 2017
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Can OSL dosimetry measurement be applied to MR imaging during MR-LINAC treatment?
Natsuki Ikemitsu, Yuki Kanazawa, Hiroaki Hayashi, Yoshiki Mihara, Emi Tomita, Yuki Matsumoto, Tohru Okazaki, Takuya Hashizume and Masafumi Harada
Radiological Society of North America (RSNA), Chicago, Nov. 2017
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Potential of photon counting technique for next-generation type X-ray diagnostic system -To provide new medical image concerning effective atomic numbers using plain X-ray-
Kimoto Natsumi, Hiroaki Hayashi, Asahara Takashi, Tomita Emi, Goto Sota, Mihara Yoshiki, Yuki Kanazawa, Yamakawa Tsutomu, Yamamoto Shuichiro, Yamasaki Masashi, Okada Masahiro and Hashimoto Daisuke
Radiological Society of North America (RSNA), Chicago, Nov. 2017
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Development of a new in-vivo measurement system by means of OSL dosimeters during brachytherapy for cervical cancer
Hiroaki Hayashi, Tomita Emi, Asahara Takashi, Shitakubo Yasufumi, Sakuragawa Kanako, Saegusa Hiroshi, Hitoshi Ikushima, Yuki Kanazawa, Goto Sota, Kimoto Natsumi, Mihara Yoshiki, Miyahara Yoshinori, Okazaki Tohru, Hashizume Takuya and Cruz Lorenzo Estacio Vergil
Radiological Society of North America (RSNA), Chicago, Nov. 2017
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Evaluating the Influence of the Small-type Optically Stimulated Luminescence (OSL) Dosimeter on CT Images for Radiation Dose Measurement of Patient
Hsin Wei Cheng, Tohru Okazaki, Takuya Hashizume, Hiroaki Hayashi, Emi Tomita, Keiji Tada and Yuki Kanazawa
The 3rd International Conference on Radiological Science and Technology, Hiroshima, Oct. 2017
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Precise calibration factor of small-type OSL dosimeter with the aim toward analysis of exposure doses caused by scattering X-ray in the diagnostic region
Yoshiki Mihara, Hiroaki Hayashi, Takashi Asahara, Sota Goto, Natsumi Kimoto, Yuki Kanazawa and Tohru Okazaki
The 3rd International Conference on Radiological Science and Technology, Hiroshima, Oct. 2017
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Development of a Novel Rectum Dosimeter for Evaluation of Organ Dose Exposure during Brachytherapy using High-Dose-Rate Ir-192
Takashi Asahara, Hiroaki Hayashi, Emi Tomita, Kanako Sakuragawa, Yasufumi Shitakubo, Hitoshi Ikushima and Tohru Okazaki
The 3rd International Conference on Radiological Science and Technology, Hiroshima, Oct. 2017
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Direct measurement of exposure doses using a small-type OSL dosimeters during pediatric CT examination
Emi Tomita, Hiroaki Hayashi, Sota Goto, Keiji Tada, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume
The 3rd International Conference on Radiological Science and Technology, Hiroshima, Oct. 2017
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Novel material identification method using three energy bins of a photon counting detector taking into consideration Z-dependent beam hardening effect correction with the aim of producing an X-ray image with information of effective atomic number
Natsumi Kimoto, Hiroaki Hayashi, Takashi Asahara, Emi Tomita, Sota Goto, Yoshiki Mihara, Kanazawa Yuki, Tsutomu Yamakawa, Shuichiro Yamamoto, Masashi Yamasaki, Masahiro Okada and Daisuke Hashimoto
2017 IEEE Nuclear Science Symposium; Medical Imaging Conference, Atlanta, Oct. 2017
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Gamma-ray effect for track counting of fluorescent nuclear detectors
Takuya Hashizume, Tohru Okazaki, Toshiya Sanami, Masayuki Hagiwara, Hideaki Monjushiro, Hiroaki Hayashi and Ikuo Kobayashi
27th International Conference on Nuclear Tracks and Radiation Measurements, Strasbourg, Aug. 2017
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Energy and Angular Dependence of the small type OSL Dosimeter in Diagnostic and Nuclear Medicine Regions using Monte Carlo Simulation
Cruz Lorenzo E. Vergil, Tohru Okazaki, Hiroaki Hayashi, Yoshiki Mihara, Takashi Asahara, Natsumi Kimoto, Hiroki Okino, Yuki Kanazawa, Takuya Hashizume and Ikuo Kobayashi
International Symposium On Radiation Safety and Detection Technology (ISORD-9), Nagoya, Jul. 2017
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Direct Radiation Dose Measurement of Rectum during High-Dose-Rate 192Ir Brachytherapy for Cervical Cancer Treatment
Emi Tomita, Hiroaki Hayashi, Takashi Asahara, Kanako Sakuragawa, Yasufumi Shitakubo, Hiroshi Saegusa, Hitoshi Ikushima, Yuki Kanazawa, Sota Goto, Tohru Okazaki, Takuya Hashizume and Cruz LE Vergil
International Symposium On Radiation Safety and Detection Technology (ISORD-9), Nagoya, Jul. 2017
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Applicability of Practical Calibration of a Small-type OSL Dosimeter For Measuring the Exposure Doses Effected by Scattered and Penetrating X-rays
Tohru Okazaki, Hiroaki Hayashi, Yoshiki Mihara, Takashi Asahara, Natsumi Kimoto, Yuki Kanazawa, Kousaku Higashino, Kazuta Yamashita, Sumi Yokoyama, Kazuki Takegami, Takuya Hashizume and Cruz LE Vergil
International Symposium On Radiation Safety and Detection Technology (ISORD-9), Nagoya, Jul. 2017
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Direct Dose Measurement of Patients during Pediatric Computed Tomography Examination
Hiroaki Hayashi, Emi Tomita, Sota Goto, Natsumi Kimoto, Keiji Tada, Ryosuke Kasai, Yuki Kanazawa, Yoshiki Mihara, Takashi Asahara, Tohru Okazaki, Takuya Hashizume and Cruz LE Vergil
International Symposium On Radiation Safety and Detection Technology (ISORD-9), Nagoya, Jul. 2017
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Development of Novel Rectum Dosimeter using OSL sheet with the aim of Direct Dose Measurement of Organ Dose during Brachytherapy
Takashi Asahara, Hiroaki Hayashi, Emi Tomita, Kanako Sakuragawa, Hiroshi Saegusa, Yasufumi Shitakubo, Hitoshi Ikushima, Yuki Kanazawa, Yoshiki Mihara, Yoshinori Miyahara, Tohru Okazaki, Takuya Hashizume and Cruz LE Vergil
International Symposium On Radiation Safety and Detection Technology (ISORD-9), Nagoya, Jul. 2017
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Dura Mater imaging with UTE T2* Mapping
Yuki Kanazawa, Masafumi Harada, Mitsuharu Miyoshi, Yuki Matsumoto, Hiroaki Hayashi, Toshiaki Sasaki, Natsuki Ikemitsu and Michael Carl
ISMRM 25th Annual Meeting, Honolulu, Apr. 2017
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Baseline of Chemical Exchange Saturation Transfer Imaging for Brain
Yuki Kanazawa, Masafumi Harada, Mitsuharu Miyoshi, Yuki Matsumoto, Hiroaki Hayashi, Toshiaki Sasaki and Natsuki Ikemitsu
ISMRM 25th Annual Meeting, Honolulu, Apr. 2017
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Reliability of the dose calibration of small-type Optically Stimulated Luminescence dosimeter for diagnostic X-rays
Tohru Okazaki, Hiroaki Hayashi, Mihara Yoshiki, Tomita Emi, Goto Sota, Kimoto Natsumi, Takegami Kazuki, Takuya Hashizume, hsin Wei Cheng, Cruz Lorenzo Estacio Vergil and Kobayashi Ikuo
The 50th Annual Meeting of TWSRT and the International Conference of Medical Imaging, Taiwan, Mar. 2017
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Use of detector holding device to minimize radiation exposure to the operator
Wataru Nishiyama, Tetsunari Iwata, Hiroaki Hayashi, Masahiro Izumi, Eiichiro Ariji, Akitoshi Katsumata
The 21st International Congress of Dental and Maxillo-Facial Radiology, Kaohsiung, Apr. 2017
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小型光刺激發光劑量計測量診斷範圍之輻射劑量的可能性評估
Hsin Wei Cheng, Hiroaki Hayashi, Kazuki Takegami, Yoshiki Mihara, Natsumi Kimoto, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume, Ikuo Kobayashi
The 50th Annual Meeting of TWSRT and the International Conference of Medical Imaging, Taiwan, Mar. 2017
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Phase Correction for Quantitative Susceptibility Mapping (QSM) using T2* Mapping
Yuki Matsumoto, Yuki Kanazawa, Toshiaki Sasaki, Natsuki Ikemitsu, Hiroaki Hayashi, Mitsuharu Miyoshi, Masafumi Harada and Hideki Otsuka
The 5th International Congress on Magnetic Resonance Imaging, Seoul, Mar. 2017
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Preliminary study for exposure dose measurement of people assisting during a pediatric X-ray procedure by means of a small-type OSL dosimeter
Hiroaki Hayashi, Yoshiki Mihara, Natsumi Kimoto, Takashi Asahara, Kenji Yamada, Yuki Kanazawa, Masafumi Harada, Tohru Okazaki and Takuya Hashizume
European Congress of Radiology, Vienna, Mar. 2017
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T1 dependence of magnetization transfer effect for macromolecules
Toshiaki Sasaki, Yuki Kanazawa, Yuki Matsumoto, Hiroaki Hayashi, Natsuki Ikemitsu, Takatoshi Usuda, Mitsuharu Miyoshi and Masafumi Harada
European Congress of Radiology, Wien, Mar. 2017
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An improvement of signal-to-noise ratio for phase image
Natsuki Ikemitsu, Yuki Kanazawa, Yuki Matsumoto, Hiroaki Hayashi, Takatoshi Usuda, Toshiaki Sasaki, Mitsuharu Miyoshi and Masafumi Harada
European Congress of Radiology, Wien, Mar. 2017
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Basic study for internal dose evaluation during CT examination by means of small-type OSL dosimeter
Yoshiki Mihara, Hiroaki Hayashi, Kenji Yamada, Yuki Kanazawa, Kousaku Higashino, Kazuta Yamashita, Ryosuke Kasai, Tohru Okazaki and Takuya Hashizume
European Congress of Radiology, Vienna, Mar. 2017
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Development of a novel method based on a photon counting technique with the aim of precise material identification in clinical X-ray diagnosis
Kimoto Natsumi, Hiroaki Hayashi, Asahara Takashi, Yuki Kanazawa, Yamakawa Tsutomu, Yamamoto Shuichiro, Yamasaki Masashi and Okada Masahiro
SPIE Medical Imaging, Florida, United States, Feb. 2017
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Response functions of multi-pixel type CdTe detector, --- toward development of precise material identification in diagnosti x-ray images by means of photon counting ---
Hiroaki Hayashi, Asahara Takashi, Kimoto Natsumi, Yuki Kanazawa, Yamakawa Tsutomu, Yamamoto Shuichiro, Yamasaki Masashi and Okada Masahiro
SPIE Medical Imaging, Florida, United States, Feb. 2017
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Uncertainty estimation of dose measured with a small-type optically stimulated luminescence dosimeter for CT scanning, --- Basic study for estimating entrance skin dose and internal organ dose ---
Hiroaki Hayashi, Tohru Okazaki, Yoshiki Mihara, Kenji Yamada, Natsumi Kimoto, Kazuki Takegami, Yuki Kanazawa, Kousaku Higashino, Kazuta Yamashita, Takuya Hashizume, Ikuo Kobayashi and Mary A. Kaila Ann Reginaldo
22nd International Conference on Medical Physics ICMP, Bangkok, Dec. 2016
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Calculation of energy and angular dependences of the small-type OSL dosimeter in the diagnostic and nuclear medicine regions using the Monte-Carlo simulation code
Tohru Okazaki, Hiroaki Hayashi, Hiroki Okino, Yoshiki Mihara, Takashi Asahara, Natsumi Kimoto, Yuki Kanazawa, Kazuki Takegami, Takuya Hashizume, Ikuo Kobayashi and Reginaldo A. Kaila Ann Mary
22nd International Conference on Medical Physics ICMP, Bangkok, Dec. 2016
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Universal dose calibration of the small-type OSL dosimeter for diagnostic X-rays - direct, scattered and penetrating X-rays -
Tohru Okazaki, Hiroaki Hayashi, Yoshiki Mihara, Natsumi Kimoto, Yuki Kanazawa, Kousaku Higashino, Kazuta Yamashita, Kazuki Takegami, Takuya Hashizume, Ikuo Kobayashi and Reginaldo A. Kaila Ann Mary
22nd International Conference on Medical Physics ICMP, Bangkok, Dec. 2016
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Proposal of an appropriate echo time-input function for quantitative susceptibility mapping
Yuki Matsumoto, Yuki Kanazawa, Nattsuki Ikemitsu, Toshiaki Sasaki, Hiroaki Hayashi, Mitsuharu Miyosh, Masafumi Harada and Hideki Otsuka
International Conference On Medical Physics (ICMP) 2016, Bangkok, Dec. 2016
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Basic study for material identification toward development of a next generation type X-ray diagnosis detector based on a photon counting technique
Natsumi Kimoto, Hiroaki Hayashi, Takashi Asahara, Yoshiki Mihara, Yuki Kanazawa, Tsutomu Yamakawa, Shuichiro Yamamoto, Masashi Yamasaki and Masahiro Okada
22nd International Conference on Medical Physics ICMP, Bangkok, Dec. 2016
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How do you Determine the Echo Time When Calculation of Quantitative Susceptibility Mapping (QSM)?
Yuki Matsumoto, Yuki Kanazawa, Hiroaki Hayashi, Kazuki Takegami, Tsuyoshi Matsuda, Masafumi Harada and Hideki Otsuka
Radiological Society of North America (RSNA) 2016, Chicago, Dec. 2016
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Hybrid assessment of gadopentetic acid and bone structure with ultrashort echo time imaging
Yuki Kanazawa, Yuki Matsumoto, Nattsuki Ikemitsu, Toshiaki Sasaki, Hiroaki Hayashi, Kazuki Takegami, Tsuyoshi Matsuda and Masafumi Harada
International Conference On Medical Physics (ICMP) 2016, Bangkok, Dec. 2016
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Universal calibration curve for a small-type OSL dosimeter to be used for direct dose measurements of direct, scattered and penetrating X-rays in the diagnostic region
Kazuki Takegami, Hiroaki Hayashi, Natumi Kimoto, Yoshiki Mihara, Yuki Kanazawa, Kousaku Higashino, Kazuta Yamashita, Fumio Hayashi, Tohru Okazaki, Takuya Hashizume and Ikuo Kobayashi
Radiological Society of North America (RSNA), Chicago, Illinois, Dec. 2016
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Convenient measurement method using small-type OSL dosimeters for evaluation of doses in CT scans: uncertainty evaluation, entrance-skin dose of phantom, and organ dose of cadaver
Hiroaki Hayashi, Kazuki Takegami, Kenji Yamada, Yoshiki Mihara, Natsumi Kimoto, Yuki Kanazawa, Kousaku Higashino, Yamashita Kazuta, Fumio Hayashi, Yoshihiro Fukui, Koichi Sairyo, Tohru Okazaki, Takuya Hashizume and Ikuo Kobayashi
Radiological Society of North America (RSNA), Chicago, Illinois, Dec. 2016
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Uncertainty evaluation of fluorescent nuclear track detectors (FNTDs) for neutron dose measurements
Takuya Hashizume, Tohru Okazaki, Hiroaki Hayashi and Ikuo Kobayashi
18th International Conference on Solid State Dosimetry (SSD), Germany, Jul. 2016
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Angular dependence of fluorescence nuclear track detectors on Am-Be neutron
Tohru Okazaki, Takuya Hashizume, Hiroaki Hayashi and Ikuo Kobayashi
18th International Conference on Solid State Dosimetry (SSD), Germany, Jul. 2016
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Simple improvement method of uniformity of MR elastography on liver
Yuki Kanazawa, Yuki Matsumoto, Hiroaki Hayashi, Tsuyoshi Matsuda, Manguu Ganbold and Masafumi Harada
24th Annual Meeting of ISMRM, Singapore, May 2016
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Small size OSL dosimeter to measure patient exposure dose in X-ray diagnosis - Evaluation of invisibility -
Tohru Okazaki, Hiroaki Hayashi, Kazuki Takegami, Yoshiki Mihara, Natsumi Kimoto, Yuki Kanazawa, Takuya Hashizume and Ikuo Kobayashi
14th international congress of the international radiation protection association, Cape town, May 2016
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Comparison with statistical analysis of signal correction in diffusion weighted MR image
Yuto Konishi, Yuki Kanazawa, Takatoshi Usuda, Yuki Matsumoto, Hiroaki Hayashi, Tsuyoshi Matsuda and Masafumi Harada
European Congress of Radiology (EPOS), Vienna, Mar. 2016
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Development of leaf electroscope to understand ionization for novice practical training
Hiroaki Hayashi, Natsumi Kimoto, Hiroki Okino, Itsumi Maehata, Kazuki Takegami and Yuki Kanazawa
European Congress of Radiology, Vienna, Mar. 2016
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Compact irradiation system for evaluation of basic characteristics of the nanoDot OSL dosimeter toward direct measurement of exposure dose of patients
Hiroki Okino, Hiroaki Hayashi, Kazuki Takegami, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume and Ikuo Kobayashi
European Congress of Radiology, Vienna, Mar. 2016
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Noise estimation for diffusion weighted MR image
Yuki Kanazawa, Konishi Yuto, Usuda Takatoshi, Yuki Matsumoto, Hiroaki Hayashi, Matsuda Tsuyoshi and Masafumi Harada
European Congress of Radiology, Vienna, Mar. 2016
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Evaluation of energy dependence of nanoDot optically stimulated luminescence (OSL) dosimeter using characteristic X-ray induced by medical X-ray equipment
Tohru Okazaki, Takuya Hashizume, Hiroaki Hayashi, Kazuki Takegami, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa and Kobayashi Ikuo
European Congress of Radiology (General & Voice of EPOS), Vienna, Mar. 2016
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Precise determination of the scattered X-ray contamination rate using diagnostic X-ray equipment for the construction of the secondary X-ray field
Itsumi Maehata, Hiroaki Hayashi, Natsumi Kimoto, Hiroki Okino, Kazuki Takegami and Yuki Kanazawa
European Congress of Radiology, Vienna, Mar. 2016
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Fabrication and analysis of phantoms providing the equal-image-density for basic experiment of next-generation-type X-ray diagnosis
Natsumi Kimoto, Hiroaki Hayashi, Hiroki Okino, Kazuki Takegami, Itsumi Maehata, Yuki Kanazawa, Tsutomu Yamakawa and Shuichiro Yamamoto
European Congress of Radiology, Vienna, Mar. 2016
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Proposal of quantitative identification method of a small-type OSL dosimeter: Verification that the dosimeter is not detected in the medical image
Kazuki Takegami, Hiroaki Hayashi, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume and Ikuo Kobayashi
European Congress of Radiology (General & Voice of EPOS), Vienna, Mar. 2016
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Experimental evaluation of response functions of a CdTe detector in the diagnostic region with the aim of carrying out a basic experiment concerning a next generation photon counting system
Hiroaki Hayashi, Hiroki Okino, Kazuki Takegami, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tsutomu Yamakawa and Shuichiro Yamamoto
European Congress of Radiology, Vienna, Mar. 2016
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Precise measurement of the angular and energy dependences of small-type OSL dosimeter in the diagnostic energy region
Hiroaki Hayashi, Kazuki Takegami, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tohru Okazaki and Ikuo Kobayashi
RSNA2015, Education Exhibits, Chicago, Nov. 2015
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A Fundamental Experiment for Novel Material Identification Method Based on a Photon Counting Technique: Using Conventional X-Ray Equipment
Hiroaki Hayashi, Natsumi Kimoto, Itsumi Maehata, Kazuki Takegami, Hiroki Okino, Yuki Kanazawa, Tsutomu Yamakawa, Shuichiro Yamamoto, Masashi Yamasaki and Masahiro Okada
IEEE Nuclear Science Symposium & Medical Imaging Conference, San Diego, Oct. 2015
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Basic characteristics of nanoDot OSL dosimeter for diagnostic X-ray
Tohru Okazaki, Hiroaki Hayashi, Hiroki Okino, Kohei Nakagawa, Kazuki Takegami and Ikuo Kobayashi
8th International Symposium on Radiation Safety and Detection Technology (ISORD-8), Jeju, Korea, Jul. 2015
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On the iteration of coincidence summing correction for determination of gamma-ray intensities
Y. Shima, Hiroaki Hayashi, Y. Kojima, R. Jyousyou and M. Shibata
The Scientific Committee of the 20th International Conference on Radionuclide Metrology and its Applications, ICRM 2015, Vienna, Jun. 2015
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Measurement method of an exposed dose using the nanoDot dosimeter
Kazuki Takegami, Hiroaki Hayashi, Kohei Nakagawa, Hiroki Okino, Tohru Okazaki and Ikuo Kobayashi
European Congress of Radiology, Vienna, Mar. 2015
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Evaluation of the angular dependence of the nanoDot OSL dosimeter toward direct measurement of the entrance skin dose
Tohru Okazaki, Hiroaki Hayashi, Takegami Kazuki, Hiroki Okino and Kohei Nakagawa
European Congress of Radiology, Vienna, Mar. 2015
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Optimization of imaging parameter in contrast-enhanced three-dimensional T1 weighted MRI with fat saturation for head disease
Yuki Kanazawa, T. Miyati, Hiroaki Hayashi, A. Yagi and O. Sato
European Congress of Radiology, Vienna, Mar. 2015
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Development of new educational apparatus to visualize scattered X-rays
Hiroaki Hayashi, Kazuki Takegami, Hiroki Okino, Kohei Nakagawa and Yuki Kanazawa
European Congress of Radiology, Vienna, Mar. 2015
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Calibration curve for measurement of the surface-skin dose using newly developed Optically Stimulated Luminescence dosimeter (nanoDot)
Kazuki Takegami, Kohei Nakagawa, Hiroki Okino, Hiroaki Hayashi, Tohru Okazaki and Ikuo Kobayashi
2nd ICRST(international conference on Radiological Science and Technology, Hokkaido, Oct. 2014
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Stability of Response in Reread nanoDot, IRPA Regional Congress
Tohru Okazaki, Hiroaki Hayashi, Hiroki Okino, Kohei Nakagawa, Kazuki Takegami and Ikuo Kobayashi
The 4th Asian and Oceanic Congress on Radiation Protection, PWTC, Kuala Lumpur, May 2014
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Half-life measurements of excited levels in fission products around a mass number of 150
Y. Kojima, Y. Shima, Hiroaki Hayashi, A. Taniguchi and M. Shibata
International Conference on Nuclear Data for Science and Technology (ND2013), New york, Mar. 2013
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Measurements of high energy excited states and g-rays of fission products with 4pai clover detector
Y. Shima, Y. Kojima, Hiroaki Hayashi, A. Taniguchi and M. Shibata
International Conference on Nuclear Data for Science and Technology (ND2013), New york, Mar. 2013
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Development of Total Absorption Detector Using Clover Detector for Qβ Measurements
Hiroaki Hayashi, M Shibata, M Asai, A Osa, M Oshima, A Kimura, M Koizumi and T K Sato
International Conference on Nuclear Data for Science and Technology (ND2010), Jeju, Korea, Apr. 2010
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Measurements of decay energies with a total absorption type HPGe detector
Hiroaki Hayashi, Y Akita, I Miyazaki, M Shibata, Y Kojima and A Taniguchi
3rd International Symposium on Isotope Science and Engineering from Basics to Applications (ISE2007), Nagoya, Sep. 2007
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Application of the Determination Method of Prompt Gamma-ray Intensity for the Measurement of Neutron Capture Cross Sections
Itaru Miyazaki, Hiroaki Hayashi, Masataka Furuta, Akihiro Taniguchi and Michihiro Shibata
3rd International Symposium on Isotope Science and Engineering from Basics to Applications (ISE2007), Nagoya, Jul. 2007
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Qβ measurements of neutron-rich isotopes with a total-absorption-type Ge detector using the KUR-ISOL
Hiroaki Hayashi, Itaru Miyazaki, Michihiro Shibata, Yasuaki Kojima and Akihiro Taniguchi
International Conference on Nuclear Date for Science and Technology (ND2007), Niece, Apr. 2007
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Development of a determination method of the prompt gamma-ray emission probability for the measurement of neutron capture cross sections
I. Miyazaki, Hiroaki Hayashi, A. Tojo, A. Taniguchi and M. Shibata
International Conference on Nuclear Data for Science and Technology (ND2007), Apr. 2007
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Qβ measurement of neutron-rich isotopes with total absorption detector
Hiroaki Hayashi, M. Shibata, M. Asai, T. K. Sato, S. Ichikawa, I. NIshinaka, Y. Nagane, A. Osa, K. Tsukada, Y. Kojima and A. Taniguchi
2nd International Symposium on Isotope Effects in Physics, Chemistry and Engineering, Nagoya, Sep. 2005
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Qβ Measurements using a total-absorption-type HPGe detector with simulated response functions by EGS4
Hiroaki Hayashi, I. Miyazaki, M. Shibata, K. Kawade, Y. Kojima and A. Taniguchi
3rd International EGS Workshop, KEK, Aug. 2004
07国内学会発表
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Photon Counting Detector CTを用いた冠動脈プラークの解析手法の提案
池上 愛, 淺原 孝, 森光 祐介, 赤木 憲明, 井上 智洋, 林 裕晃, 本田 貢
中四国放射線医療技術フォーラム, 2024年10月
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Clinical Study of Carotid Plaque Using Diffusion-Weighted-Viscosity Imaging
Mayuka Seguchi, Yuki Kanazawa, Toshiaki Miyati, Masafumi Harada, Mitsuharu Miyoshi, Hiroaki Hayashi, Akihiro Haga
第80回日本放射線技術学会総会学術大会, 2024年4月
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フォトンカウンティング技術におけるキャリブレーションファントムを用いた実効原子番号の推定
古川雄一,羽場友信,谷口未桜,内藤翔太,高橋司,林裕晃,小林茂樹
第80回日本放射線技術学会総会学術大会, 2024年4月
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散乱X線の入射角度を解析できる新しい概念のアクティブ型線量計の設計とIVRでの使用を想定した実証実験
前田直輝, 淺原孝, 山内崇嗣, 本田貢, 林裕晃, 前田達哉, 小林大空, 井上智洋, 小林大地, 池上愛
第19回中四国放射線医療技術フォーラムCSFRT2023, 2023年11月
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フォトンカウンティングCTを用いた実効原子番号画像による非金属歯科材料の弁別
淺原孝, 岡田俊輔, 李青海, 林裕晃, 黒瀬千尋, 森光祐介, 赤木憲明, 本田貢,西上莉奈,小林大空
第51回日本放射線技術学会秋季学術大会, 2023年10月
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X線遮蔽体の開発 ~人に優しい放射線防護を目指して~
林裕晃
第59回日本医学放射線学会秋季臨床大会ランチョンセミナー14, 2023年9月
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X線撮影の真の能力を引き出すためのフォトンカウンティング検出器
林裕晃
最先端CT研究会, 2023年7月
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フォトンカウンティング技術における統計誤差に基づいた適切なエネルギー帯域の決定
内藤翔太, 羽場友信, 前田憲人, 戸田喬久, 高橋司, 林裕晃, 小林茂樹
第79回日本放射線技術学会総会学術大会, 2023年4月
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アテローム性動脈硬化症におけるプラーク性状評価のための粘稠度MRI
瀬口真友香,金澤裕樹,宮地利明,松元友暉,原田雅史,林裕晃,芳賀昭弘
第79回日本放射線技術学会総会学術大会, 2023年4月
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フォトンカウンティング型検出器を用いたカラーX 線画像の生成
林裕晃
第13 回北陸銀行若手研究者助成金研究成果報告会, 2023年3月
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高エネルギー光子線における酸化ベリリウムOSL線量計の特性調査
安藤未来, 後藤聡汰, 山口英俊, 清水森人, 林裕晃
SATテクノロジー・ショーケース2023, 2023年1月
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高エネルギー光子線における酸化ベリリウムOSL線量計の特性調査
安藤未来, 後藤聡汰, 山口英俊, 清水森人, 林裕晃
2022年度NMIJ成果発表会(産総研), 2023年1月
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高エネルギー光子線に対する酸化ベリリウムOSL線量計の評価
安藤未来,林裕晃,後藤聡汰,山口英俊,清水森人
公益社団法人日本放射線技術学会第69回関東支部研究発表大会,2022年12月
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エネルギー積分型検出器からフォトンカウンティング型検出器へのパラダイムシフト
林裕晃
日本歯科放射線学会第41回関西・九州合同地方会, 2022年11月
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光刺激ルミネセンス線量計(OSLD)を用いた高エネルギー光子線の郵送出力線量測定技術の開発
後藤聡汰,林裕晃,山口英俊,関口寛,秋野隆二,清水森人
第124回日本医学物理学会学術大会,2022年9月
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Variable flip angle T1 mapping without acquiring data for B1 correction
Nagomi Fukuda, Yuki Kanazawa, Hiroaki Hayashi, Yuki Matsumoto, Masafumi Harada, Motoharu Sasaki, and Akihiro Haga
第78回日本放射線技術学会総会学術大会, 2022年4月
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小児胸部X線動態撮影の至適撮影線量の検討
南 修平,田中利恵,熊原成美,林 裕晃,峰広香織,瀬川恵子
第78回日本放射線技術学会総会学術大会, 2022年4月
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Improvement of micro-densitometry method using a sheet which has X-ray shielding ability
Miku Ando, Hiroaki Hayashi, Tatsuya Maeda, Cheonghae Lee, Motochika Maki, Takeshi Konishi, Shuichi Murakami
第78回日本放射線技術学会総会学術大会, 2022年4月
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Bone and soft-tissue image generation method based on one shot X-ray exposure using a photon-counting detector
Cheonghae Lee, Hiroaki Hayashi, Natsumi Kimoto, Tatsuya Maeda, Yuki Kanazawa, Akitoshi Katsumata, Shuichiro Yamamoto
第78回日本放射線技術学会総会学術大会, 2022年4月
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OSL 線量計を用いた 直腸線量計 の開発とHDR RALSによる子宮頸癌治療におけるin vivo線量測定
林 裕晃
医学物理士会主催の医学物理士セミナー, Web開催,2022年1月
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小児胸部X線動態撮影における線量の基礎的検討
熊原成美,南修平,田中利恵,林裕晃,堀井純清,峰広香織,吉川亮,瀬川恵子
第13回中部放射線医療技術学術大会(CCRT2021), Web開催,2021年11月
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ディスポ型自作直腸線量計を用いた子宮頸がん治療における線量の実測
林 裕晃,前田達哉,淺原 孝,後藤聡汰,竹上和希,李 青海,安藤未来, 金澤裕樹, 生島仁史, 岡崎 徹, 橋詰拓弥
第3回日本放射線安全管理学会・日本保健物理学会合同大会, 2021年12月
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白質領域に対する非剛体処理に伴う数値解析の影響
池光捺貴, 金澤裕樹, 原田雅文, 松元友暉, 林 裕晃, 伊藤公輔, 谷口 陽, 尾藤良孝, 芳賀昭弘
第49回日本磁気共鳴医学会大会,2021年9月
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Investigating the appropriate T2* cut-off value for Myelin Water Fraction (MWF)
Syun Kitano, Yuki Kanazawa, Masafumi Harada, Yuki Matsumoto, Nagomi Fukuda, Hiroaki Hayashi, Yo Taniguchi, Kosuke Ito, Yoshitaka Bito, Akihiro Haga
49th Annual Meeting of JSMRM,2021年9月
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Development of Energy-Resolved Photon-Counting Mammography Device Equipped with a CdZnTe Detector: Improved Resolution with Reconstructed Pixel Size
Momoka Kinomura, Shuji Koyama, Yoshie Kodera, Shuichiro Yamamoto, Masahiro Okada, Fumio Tsuchiya, Hiroaki Hayashi, Hiroko Nishide
第77回日本放射線技術学会総会学術大会,2021年4月
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Precise Energy Calibration Procedure for X-ray Imaging Detector Using Polychromatic X-ray Spectrum
Cheonghae Lee, Hiroaki Hayashi, Natsumi Kimoto, Takumi Asakawa, Shuichiro Yamamoto, Masahiro Okada
第77回日本放射線技術学会総会学術大会,2021年4月
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Simulation Study to Calculate Shielding Rate for the Development of Three-Dimensional Non-Uniform Shielding Material
Tatsuya Maeda, Hiroaki Hayashi, Natsumi Kimoto, Cheonghae Lee, Motochika Maki, Takeshi Konishi, Syuichi Murakami
第77回日本放射線技術学会総会学術大会,2021年4月
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Beam quality conversion factor and dose linearity of Optically Stimulated Luminescence Dosimeter (OSLD) for high-energy photon beam
Sota Goto, Hidetoshi Yamaguchi, Morihito Shimizu, Hiroaki Hayashi, Yuichiro Morishita, Hiroshi Sekiguchi, Ryuji Akino
第121回日本医学物理学会学術大会,2021年4月
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Quantitative Parameter Mapping (QPM)を用いたコンポーネント間スピン交換定数の導出
金澤裕樹,前田直輝,原田雅史,谷口陽,松元友暉,阿部考志,林裕晃,伊藤公輔,尾藤良孝,芳賀昭弘
第48回日本磁気共鳴医学会大会(JSMRM 2020), 2020年9月
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放射線計測における基礎物理学
林 裕晃
第76回日本放射線技術学会総会学術大会 計測部会教育講演6,2020年4月
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A Novel Algorithm for Material Identification Based on a Photon Counting Technique -Toward the Development of a Quantitative Plain X-ray Diagnosis Using an Effective Atomic Number Image-
Natsumi Kimoto, Hiroaki Hayashi, Takumi Asakawa, Takashi Asahara, Akitoshi Katsumata, Shuichiro Yamamoto, Masahiro Okada
第76回日本放射線技術学会総会学術大会,2020年4月
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Dual-type active dosimeter having a novel algorithm to identify incident angles of X-rays
Takashi Asahara, Hiroaki Hayashi, Tatsuya Maeda, Yuki Kanazawa, Satoshi Imajo, Miho Numata, Mitsugi Honda
第76回日本放射線技術学会総会学術大会,2020年4月
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Sensitivity Analysis of Parameters When Calculating the Shielding Rate Using Monte-Carlo Simulation and Experimentation
Tatsuya Maeda, Hiroaki Hayashi, Takumi Uehara, Kazuki Takegami, Natsumi Kimoto, Motochika Maki, Takeshi Konishi
第76回日本放射線技術学会総会学術大会,2020年4月
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Phantom study using novel shaped OSL dosimeters having smaller angular dependence toward actual dose measurement during clinical X-ray examination
Sota Goto, Hiroaki Hayashi, Emi Tomita, Takashi Asahara, Kaho Ikushima, Momoka kuwabara, Yuki Kanazawa
第76回日本放射線技術学会総会学術大会,2020年4月
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Spatially smoothing processing of quantitative values in voxel-based morphometry (VBM) analysis
Yuki Kinjo, Yuki Kanazawa, Masafumi Harada, Yo Taniguchi, Yuki Matsumoto, Takashi Abe, Hiroaki Hayashi, Masaharu Ono, Yoshitaka Bito, and Akihiro Haga
第76回日本放射線技術学会総会学術大会,2020年4月
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Reading Uncertainty of Optically Stimulated Luminescence Dosimeter with High Energy Photon Beam
Sota Goto, Hidetoshi Yamaguchi, Morihito Shimizu, Hiroaki Hayashi, Ryuji Akino, Hiroshi Sekiguchi
第121回医学物理学会学術集会, 2020年4月
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高エネルギー光子線場におけるOSL線量計を用いた吸収線量計測の不確かさの評価
後藤聡汰,山口英俊,清水森人,林裕晃
第47回日本放射線技術学会秋季学術大会,2019年10月
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医療用連続X線を用いたフォトンカウンティング検出器による実効原子番号画像
紀本夏実,林裕晃,淺川巧,淺原孝,前田達哉,金澤裕樹,勝又明敏,山本修一郎,岡田雅宏
第2回量子線イメージング研究会,2019年9月
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Comparison of estimation parameters of relaxation rate and susceptibility for myelin content with quantitative parameter mapping
金城佑奎,金澤裕樹,原田雅史,谷口陽,松元友暉,阿部考志,林裕晃,小野順玄,尾藤良孝,芳賀昭弘
第47回日本磁気共鳴医学会大会, 2019年9月
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歯科X線診断の定量解析法の開発:フォトンカウンティング型イメージング検出器
紀本夏実, 林裕晃, 勝又明敏, 山本修一郎
日本歯科放射線学会第60回学術大会,2019年6月
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整形外科診療に伴う職業被曝と医療被曝~明日から役立つ10 のノウハウ~
山下一太,林裕晃
第92回日本整形外科学会年次大会,アフタヌーンセミナー3,2019年5月
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子宮頸癌の腔内照射における直腸線量実測に向けたディスポーザブル型直腸線量計の開発
冨田恵美, 林裕晃, 淺原孝, 下窪康史, 櫻川加奈子, 金澤裕樹, 生島仁史
日本放射線腫瘍学会小線源治療部会第21回学術大会,2019年5月
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子宮頸癌RALSにおける自作直腸線量計を用いた実臨床データとその分析
下窪康史, 櫻川加奈子, 冨田恵美, 林裕晃, 金澤裕樹, 生島仁史
日本放射線腫瘍学会小線源治療部会第21回学術大会,2019年5月
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Trial production and evaluation of characteristics of novel-shaped optically stimulated luminescence dosimeter having lower angular dependence
Sota GOTO, Hiroaki HAYASHI, Emi TOMITA, Takumi UEHARA, Yuki KANAZAWA, Tohru OKAZAKI, Takuya HASHIZUME
第75回放射線技術学会総会学術大会, 2019年4月
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Monte-Carlo Simulation of Photon Counting Detector towards Production of Effective Atomic Number Images Using Continuous X-rays
Takumi Asakawa, Hiroaki Hayashi, Natsumi Kimoto, Takashi Asahara, Emi Tomita, Shuichiro Yamamoto, Masahiro Okada
第75回放射線技術学会総会学術大会, 2019年4月
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An experiment toward proposing a way to reduce eye lens exposure dose using small-type OSL dosimeter during neonatal cardiac CT examination
Yoshiki Mihara, Hiroaki Hayashi, Takumi Uehara, Keiji Tada, Yuki Kanazawa, Tohru Okazaki, Takafumi Kajitani
第75回放射線技術学会総会学術大会, 2019年4月
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Actual Dose Measurement of Assistants while Positioning Patients during Pediatric X-ray Examination Using a Small-type Optically Stimulated Luminescence Dosimeter
Takashi Asahara, Hiroaki Hayashi, Yoshiki Mihara, Emi Tomita, Yuki Kanazawa, Kenji Yamada, Tohru Okazaki
第75回放射線技術学会総会学術大会, 2019年4月
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Actual Surface Dose Evaluation outside Scan Area during Dual Source CT Scanning with Low Tube Voltage : A Phantom Study to Optimize Scan Parameters
Kazuki Takegami, Yurina Ohka, Shohei Kudomi, Takahiro Yamaguchi, Hiroaki Hayashi, Tohru Okazaki, Takuya Hashizume
第75回放射線技術学会総会学術大会, 2019年4月
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Quantitative Parameter Mappingを用いたミエリンMRI
金澤裕樹,原田雅史,谷口陽,林裕晃,阿部孝志,大友真紀,松元友暉,小野順玄,尾藤良孝,芳賀昭弘
第75回放射線技術学会総会学術大会, 2019年4月
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254Es標的を用いた中性子過剰Fm同位体の自発核分裂測定
浅井雅人,塚田和明,廣瀬健太郎,豊嶋厚史,富塚知博,Nadine M. Chiera,伊藤由太,牧井宏之,永目諭一郎,西尾勝久,Riccardo Orlandi,Kean Kun Ratha,佐藤哲也,鈴木颯人,床井健運,Mark J. Vermeulen,柳原陸斗,西中一朗,鎌田裕生,柴田理尋,後藤真一,廣瀬耀,林裕晃,阪間稔
日本物理学会第74回年次大会, 2019年3月
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小型OSL線量計の診断用X線に対する応答のエネルギー依存性の精密評価
岡崎徹,林裕晃,後藤聡汰,淺原孝,冨田恵美, 金澤裕樹,橋詰拓弥,Vergil Cruz,Cheng Wei Hsin
日本放射線安全管理学会 第17回 学術大会, 2018年12月
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硬さの検出を目的としたintravoxel incohernet motion(IVIM)を用いた曲線解析モデルの比較
長澤良子,金澤裕樹,金城佑奎,千葉大輝,原田雅文,林裕晃,松元友暉,芳賀昭弘
第46回日本放射線技術学会秋季学術大会,2018年10月
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CESTイメージングにおける局所オフセット周波数の定量評価法の開発
千葉大輝,金澤裕樹,金城佑奎,長澤良子,三好光晴,林裕晃,原田雅史,芳賀昭弘
第46回日本放射線技術学会秋季学術大会,2018年10月
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角度依存性の少ない小型OSL線量計の開発に向けた一考察
後藤聡汰,林裕晃,冨田恵美,上原匠,紀本夏実,金澤裕樹,岡崎徹,橋詰拓弥
第46回日本放射線技術学会秋季学術大会,2018年10月
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OSL線量計を用いた胸部X線撮影における入射表面線量測定-当院の胸部X線撮影の医療被曝-
竹上和希,大賀優里奈,岩永秀幸,岡崎徹,橋詰拓弥,林裕晃
第34回日本放射線技師会学術大会, 2018年9月
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Construction of voxel-based morphometry of R1 and R2* derived from quantitative parameter mapping
Yuki Kanazawa, Yuki Kinjo, Masafumi Harada, Hiroaki Hayashi, Yo Taniguchi, Yoshitaka Bito, Yuki Matsumoto, Masaharu Ono
第46回日本磁気共鳴医学会大会,2018年9月
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254Es標的を用いて生成する中性子過剰Fm領域核の自発核分裂の測定
浅井 雅人, 塚田 和明, 廣瀬 健太郎, 豊嶋 厚史, 富塚 知博, Nadine M. Chiera, 伊藤 由太, 牧井 宏之, 永目 諭一郎, 西尾 勝久, Riccardo Orlandi, Kean Kun Ratha, 佐藤 哲也, 鈴木 颯人, 床井 健運, Mark J. Vermeulen, 柳原 陸斗, 西中一朗, 鎌田 裕生, 柴田 理尋, 後藤 真一, 廣瀬 耀, 林 裕晃, 阪間 稔
第62回放射化学討論会,2018年9月
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100 Gyを超える線量の測定に向けた可搬型光刺激ルミネセンス線量測定システムに関する基礎検討
岡崎 徹, 橋詰 拓弥, 橋本 義徳, 白形 政司, 中村 一, 山崎 寛人, Vergil LE Cruz, Cheng Wei Hsin, 林 裕晃, 小林 育夫
第15回日本加速器学会年会, 2018年8月
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Spontaneous fission measurements for neutron-rich Fm nuclei produced with an 254Es target
M. Asai, K. Tsukada, K. Hirose, A. Toyoshima, T. Tomitsuka, N.M. Chiera, Y. Ito, H. Makii, Y. Nagame, K. Nishio, R. Orlandi, K. K. Ratha, T.K. Sato, H. Suzuki, K. Tokoi, M.J. Vermeulen, R. Yanagihara, I. Nishinaka, H. Kamada, M. Shibata, S. Goto, H. Hirose, H. Hayashi, M. Sakama
annual meeting of the Japan Society of Nuclear and Radiochemical Sciences, 2018年9月
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Al2O3:Cを用いたOSL素子による250 Gyまでの線量測定における応答特性の評価
岡崎 徹, 橋詰 拓弥, 橋本 義徳, 白形 政司, 中村 一, 山崎 寛人, Vergil Cruz, Cheng Wei Hsin, 林 裕晃
第55回アイソトープ・放射線研究発表会,2018年7月
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小型OSL線量計を用いたIVR術者水晶体被ばく線量測定に向けた線量値の信頼性の検証
岡崎 徹, 淺原 孝, 橋詰 拓弥, Vergil Cruz, Cheng Wei Hsin, 林 裕晃,冨田 恵美, 後藤 聡汰, 三原 由樹, 金澤 裕樹, 横山 須美
日本保健物理学会第51回研究発表会, 2018年6月
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192Irを用いたHDR-RALSによる子宮頸癌治療時の直腸線量の実測
下窪 康史, 櫻川 加奈子, 林 裕晃, 冨田 恵美, 淺原 孝, 生島 仁史, 岡崎 徹
公益社団法人日本放射線腫瘍学会小線源部会 第20回学術大会, 2018年6月
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蛍光飛跡検出器FNTDを用いた中性子応答の解析
橋詰 拓弥, 岡崎 徹, 佐波 俊哉, 萩原 雅之, 文珠四郎 秀昭, 林 裕晃, 松本 哲郎, 増田 明彦,海野 泰裕,原野 英樹, 小林 育夫
第8回日本原子力学会北関東支部大会 若手研究者発表会,2018年4月
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Potentiality of Effective Atomic Number Image Based on Photon Counting Technique for Achieving Proper Diagnosis Using Plain X-ray
Natsumi Kimoto, Hiroaki Hayashi, Takashi Asahara, Akitoshi Katsumata, Tsutomu Yamakawa, Shuichiro Yamamoto, Masahiro Okada
第74回日本放射線技術学会総会学術大会(Next Generation Session & 一般口頭発表),2018年4月
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Rectum Dose Measurements Using Novel Dosimetric System During High-Dose-Rate 192Ir Brachytherapy Treatment of Cervical Cancer
Emi TOMITA, Hiroaki HAYASHI, Yasufumi SHITAKUBO, Kanako SAKURAGAWA, Yuki KANAZAWA, Hitoshi IKUSHIMA, Tohru OKAZAKI, Takashi ASAHARA, Takuya HASHIZUME, Yoshinori MIYAHARA
第74回日本放射線技術学会総会学術大会(Next Generation Session & 一般口頭発表),2018年4月
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Proposal of Accurate Calibration for Measuring Eye Lens Dose of the Operator during Transfemoral Cardiac Catheterization with Fluoroscopic System Using an OSL dosimeter
Takashi Asahara, Hiroaki Hayashi, Emi Tomita, Sota Goto, Sumi Yokoyama, Yuki Kanazawa, Tohru Okazaki
第74回日本放射線技術学会総会学術大会,2018年4月
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Doses caused by overranging effect: Radiosensitive organs dose measurement using a small-type OSL dosimeter during high pitch dual-source CT for chest scan
Kazuki Takegami, Yurina Ohka, Hiroaki Hayashi, Shogo Tokurei, Ayumi Hashimoto, Shohei Kudomi, Tohru Okazaki, Takuya Hashizume
第74回日本放射線技術学会総会学術大会,2018年4月
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Evaluation of accuracy for the portable-type reading device of the small-size OSL dosimeter
Kazuki Takegami, Hiroaki Hayashi, Sota Goto, Emi Tomita, Teppei Yonezawa, Hideyuki Iwanaga, Tohru Okazaki, Takuya Hashizume
第74回日本放射線技術学会総会学術大会,2018年4月
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モンテカルロシミュレーションによる蛍光飛跡検出器の飛跡画像の再現
橋詰拓弥,岡崎徹,佐波俊哉,萩原雅之,文珠四郎秀昭,林裕晃,小林育夫
日本原子力学会2018年 春の年会, 2018年3月
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蛍光飛跡検出器FNTDの中性子測定に向けた飛跡検出能の評価
橋詰拓弥, 岡崎徹, 佐波俊哉, 萩原雅之, 文珠四郎秀昭, 林裕晃, 小林育夫
第32回固体飛跡検出器研究会,2018年3月
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Exposure dose measurement outside of the scan range by high pitch dual source CT
Yurina Ohka, Kazuki Takegami, Shogo Tokurei, Ayumi Hashimoto, Shohei Kudomi, Hiroaki Hayashi, Tohru Okazaki, Takuya Hashizume
第13回中四国放射線医療技術フォーラム,2017年12月
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小児CT撮影における被ばく線量の実測と装置表示値との比較
景山紗貴,多田佳司,岡春奈,安田謙二,林裕晃,三原由樹,冨田恵美,後藤聡汰,岡崎徹
第13回中四国放射線医療技術フォーラム,2017年12月
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RALS治療における直腸線量実測に向けた自作線量計の基礎特性評価
原夕貴,宮原善徳,西村友則,板倉佳苗,中島寛人,林裕晃,冨田恵美,下窪康史,岡崎徹
第13回中四国放射線医療技術フォーラム,2017年12月
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Study of fluorescence nuclear track detectors for practical use as personal neutron dosimeters -Evaluation of interceptive effect of gamma rays on reading alpha particle tracks-
Takuya Hashizume, Tohru Okazaki, Toshiya Sanami, Masayuki Hagiwarab, Hideaki Monjushirob, Hiroaki Hayashi, Ikuo Kobayashi
KEK Student Day, 2017年10月
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小型OSL線量計の大線量応答
岡崎徹, 橋詰拓弥, 橋本義徳, 白形政司, 中村一, Vergil LE Cruz, Cheng Wei Hsin, 林裕晃, 小林育夫
平成29年度放射線安全取扱部会年次大会, 2017年10月
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連続X線を用いた物質同定手法の提案と実証実験
林 裕晃,山本修一郎
JASIS2017,2017年9月
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320-row volumetric scanにおける小児CT検査の被ばく線量解析に向けた基礎検討
多田佳司, 岡春奈, 景山紗貴, 林 裕晃, 三原由樹, 岡崎徹, 市川勝弘, 冨田恵美, 後藤聡汰, 安田謙二
第45回日本放射線技術学会秋季学術大会, 2017年10月
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小型OSL線量計を用いた新生児胸部CT検査における散乱X線による水晶体および生殖腺の被ばくの実測
岡春奈, 多田佳司, 景山紗貴, 安田謙二, 林 裕晃, 岡崎徹, 冨田恵美, 後藤聡汰
第45回日本放射線技術学会秋季学術大会, 2017年10月
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小型OSL線量計を用いた超精密測定に向けた固有効率の決定
後藤 聡汰, 林 裕晃, 三原 由樹, 淺原 孝, 冨田 恵美, 金澤 裕樹, 岡崎 徹, 橋詰 拓弥, Vergil LE Cruz
第45回日本放射線技術学会秋季学術大会, 2017年10月
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子宮頸癌に対するイリジウム192を用いた腔内照射における自作直腸線量計を用いたin-vivoドジメトリー
下窪 康史, 櫻川 加奈子, 林 裕晃, 冨田 恵美, 浅原 孝, 生島 仁史, 岡崎 徹, 三枝 裕司, 橋詰 拓弥, Vergil LE Cruz
第45回日本放射線技術学会秋季学術大会, 2017年10月
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MR Elastographyの振動波定量解析
幸坂 育歩, 金澤 裕樹, 馬場 幸太郎, 松元 友暉, 林 裕晃, 原田 雅史
第45回日本放射線技術学会秋季学術大会, 2017年10月
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lipid-rich-core プラークの物性に着目したマルチコンポーネント解析MRI
馬場 幸太郎, 金澤 裕樹, 幸坂 育歩, 松元 友暉, 林 裕晃, 原田 雅史
第45回日本放射線技術学会秋季学術大会, 2017年10月
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蛍光飛跡検出器 (FNTD) の斜め入射した粒子飛跡読み取りにおけるγ線影響
橋詰 拓弥, 岡崎 徹, 佐波 俊哉, 萩原 雅之, 文珠四郎 秀昭, 林 裕晃, 小林 育夫
日本原子力学会2017年秋の大会,2017年9月
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Off-set frequency correction in brain for quantitative susceptibility mapping
Yuki Matsumoto, Yuki Kanazawa, Masafumi Harada, Hiroaki Hayashi, Kotaro Baba, Mitsuharu Miyoshi and Hideki Otsuka
JSMRM2017, Sep., 2017
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定量的磁化率マッピング(QSM)のためのオフセット周波数補正法の提案
松元 友暉, 金澤 裕樹, 原田 雅史, 林 裕晃, 馬場 幸太郎, 幸坂 育歩, 三好 光晴, 大塚 秀樹
Society of Advanced Medical Imaging (SAMI), 2017年7月
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放射線診断における被ばく線量の実測に向けた小型OSL線量計の線量校正の信頼性評価
岡崎 徹, 橋詰 拓弥, Vergil Cruz, 林 裕晃, 冨田 恵美, 後藤 聡汰, 紀本 夏実, 三原 由樹, 淺原 孝, 竹上 和希, 小林 育夫
日本保健物理学会第50回研究発表会 日本放射線安全管理学会第16回学術大会 合同大会, 2017年6月
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小型OSL線量計を用いた新生児CT撮影時における入射表面線量の実測への検討
岡崎 徹, 橋詰 拓弥, Vergil Cruz, 林 裕晃, 冨田 恵美, 後藤 聡汰, 笠井 亮佑, 紀本 夏実, 三原 由樹, 淺原 孝, 多田 佳司, 小林 育夫
日本保健物理学会第50回研究発表会 日本放射線安全管理学会第16回学術大会 合同大会, 2017年6月
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γ線混在場での中性子線量測定に向けたFNTDの基礎特性評価
橋詰 拓弥, 岡崎 徹, 佐波 俊哉, 萩原 雅之, 文珠四郎 秀昭, 林 裕晃, 小林 育夫
日本保健物理学会第50回研究発表会 日本放射線安全管理学会第16回学術大会 合同大会, 2017年6月
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γ線照射によるFNTDの粒子飛跡読み取りへの影響
橋詰 拓弥, 岡崎 徹, 佐波 俊哉, 萩原 雅之, 文珠四郎 秀昭, 林 裕晃, 小林 育夫
日本原子力学会平成29年度若手研究者発表会, 2017年4月
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Simulation study for effective reduction procedure of scattered Xrays toward high accuracy material identification based on photon counting technique
Takashi Asahara, Kimoto Natsumi, Hiroaki Hayashi, Yuki Kanazawa, Katsumata Akitoshi, Nishiyama Wataru, Yamakawa Tsutomu, Yamamoto Shuichiro, Yamasaki Masashi and Okada Masahiro
第113回日本医学物理学会学術大会, Apr., 2017
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The fundamental study based on X-ray spectrum evaluation to measure entrance-surface dose using the small-type OSL dosimeter during dual energy computed tomography, --- -Availability of the dose calibration curve derived with the diagnostic X-ray equipment- ---
Takegami Kazuki, Yonezawa Teppei, Hiroaki Hayashi, Mihara Yoshiki, Okazaki Tohru and Hashizume Takuya
第73回日本放射線技術学会総会学術大会, Apr., 2017
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Measurement of entrance skin dose by fluoroscopic X-ray for marker tracking in dynamic tumor tracking radiotherapy
Takaaki Matsuura, Hiroaki Hayashi, Yoshiki Mihara, Hideharu Miura, Kiyoshi Yamada and Yasushi Nagata
第73回日本放射線技術学会総会学術大会, Apr., 2017
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First observation of dose exposure to assistants during pediatric X-ray procedure by means of a small-type OSL dosimeter
Yoshiki Mihara, Kenji Yamada, Michihiro Yokoishi, Hiroaki Hayashi, Yuki Kanazawa, Tohru Okazaki and Takuya Hashizume
第73回日本放射線技術学会総会学術大会, Apr., 2017
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Visualization of entrance surface dose during CT examination using small-type OSL dosimeter
Mihara Yoshiki, Hiroaki Hayashi, Yuki Kanazawa, Yamada Kenji, Takegami Kazuki, Okazaki Tohru and Hashizume Takuya
第73回日本放射線技術学会総会学術大会, Apr., 2017
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Evaluation of Mechanical Waves of MR Elastography
Yuki Matsumoto, Yuki Kanazawa, Toshiaki Sasaki, Hiroaki Hayashi, Natsuki Ikemitsu, Masafumi Harada and Hideki Otsuka
第73回日本放射線技術学会総会学術大会, Apr., 2017
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蛍光飛跡検出器(FNTD)の粒子飛跡読取りにおけるX/γ線照射の影響
橋詰 拓弥, 岡崎 徹, 佐波 俊哉, 萩原 雅之, 林 裕晃, 小林 育夫
日本原子力学会2017春の年会, 2017年3月
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蛍光飛跡検出器FNTDの荷電粒子飛跡読取りにおけるγ線影響
橋詰 拓弥, 岡崎 徹, 佐波 俊哉, 萩原 雅之, 文珠四郎 秀昭, 林 裕晃, 小林 育夫
第31回固体飛跡検出器研究会, 2017年3月
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FNTD中性子線量計の実用化に向けた課題と研究, --- X/γ線のFNTD飛跡読取りへの影響 ---
橋詰 拓弥, 岡崎 徹, 佐波 俊哉, 萩原 雅之, 文珠四郎 秀昭, 林 裕晃, 小林 育夫
第31回放射線検出器とその応用研究会, 2017年1月
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マンモグラフィにおけるファントム深部位置の違いによる画像コントラスト変化の検討
櫻川 加奈子, 山田 健二, 佐々木 幹治, 天野 雅史, 林 裕晃, 川田 直伸
第12回中四国放射線医療技術フォーラム, 2016年11月
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低線量被ばくの評価における小型OSL線量計の活用
岡崎 徹, 橋詰 拓弥, 林 裕晃, 三原 由樹, 山田 健二, 小林 育夫
平成28年度放射線安全取扱部会年次大会, 2016年11月
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手指およびデバイスによるフィルム保持の被曝線量測定
西山 航, 岩田 哲成, 林 裕晃, 勝又 明敏
日本歯科放射線学会第21回臨床画像大会, 2016年10月
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小型OSL線量計を用いた小児X線撮影における介助者被ばく実測に向けた現状と課題
林 裕晃, 三原 由樹, 淺原 孝, 紀本 夏実, 金澤 裕樹, 山田 健二, 笠井 亮佑, 岡崎 徹, 橋詰 拓弥, 小林 育夫
医用画像情報学会(MII)平成28年度秋季(第176回)大会, 2016年10月
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How to make a phantom for quantitative susceptibility mapping
松元 友暉, 金澤 裕樹, 池光 捺貴, 佐々木 俊晃, 臼田 貴俊, 林 裕晃, 三好 光晴, 原田 雅史, 大塚 秀樹
第44回日本放射線技術学会秋季学術大会, 2016年10月
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MTパルスを付加したT1値の算出
佐々木 俊晃, 金澤 裕樹, 松元 友暉, 池光 捺貴, 臼田 貴俊, 林 裕晃, 三好 光晴, 原田 雅史
第44回日本放射線技術学会秋季学術大会, 2016年10月
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T2* phase cycle SNR
池光 捺貴, 金澤 裕樹, 松元 友暉, 臼田 貴俊, 林 裕晃, 三好 光晴, 原田 雅史
第44回日本放射線技術学会秋季学術大会, 2016年10月
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小型OSL線量計を用いたCTスキャンにおける入射皮膚線量実測の有用性
竹上 和希, 三原 由樹, 紀本 夏実, 山田 健二, 林 裕晃, 金澤 裕樹, 東野 恒作, 岡崎 徹, 橋詰 拓弥
第44回日本放射線技術学会秋季学術大会, 2016年10月
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Study to expand the dose calibration curve of small-type OSL dosimeter toward scattered and penetrating X-rays for management of radiation exposure in the diagnostic region
Kazuki Takegami, Yoshiki Mihara, Natsumi Kimoto, Hiroaki Hayashi, Yuki Kanazawa, Kousaku Higashino, Kazuta Yamashita, Tohru Okazaki and Takuya Hashizume
第44回日本放射線技術学会秋季学術大会, Oct. 2016
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シミュレーションコードEGS5を用いた137Csと60Coのγ線に対する小型OSL線量計の角度依存性の評価
沖野 啓樹, 浅原 孝, 三原 由樹, 林 裕晃, 金澤 裕樹, 岡崎 徹, 橋詰 拓弥, 小林 育夫
第44回日本放射線技術学会秋季学術大会, 2016年10月
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診断用X線に対する小型OSL線量計の測定下限値の評価
三原 由樹, 紀本 夏実, 林 裕晃, 金澤 裕樹, 東野 恒作, 竹上 和希, 岡崎 徹, 橋詰 拓弥
第44回日本放射線技術学会秋季学術大会, 2016年10月
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Basic study for internal dose evaluation of CT examination by means of small-type OSL dosimeter
Yoshiki Mihara, Kenji Yamada, Natsumi Kimoto, Hiroaki Hayashi, Yuki Kanazawa, Kousaku Higashino, Tohru Okazaki and Takuya Hashizume
第44回日本放射線技術学会秋季学術大会, Oct. 2016
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Evaluation of angular and energy dependence of the small type OSL dosimeter using Monte Carlo simulation toward actual measurement of patient exposure dose
Okino Hiroki, Hiroaki Hayashi, Mihara Yoshiki, Okazaki Tohru, Hashizume Takuya and Kobayashi Ikuo
Tokushima Bioscience Retreat, Sep. 2016
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Fundamental study for material identification to develop next generation type X-ray diagnosis
Natsumi Kimoto, Takashi Asahara, Hiroaki Hayashi, Yamakawa Tsutomu, Yamamoto Shuichiro, Yamasashi Masaki and Okada Masahiro
Tokushima Bioscience Retreat, Sep. 2016
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Noise estimation of phantom phase image in ultra-short echo time imaging
Yuki Matsumoto, Yuki Kanazawa, Nattsuki Ikemitsu, Toshiaki Sasaki, Hiroaki Hayashi, Mitsuharu Miyosh, Masafumi Harada and Hideki Otsuka
JSMRM2016, Sep. 2016
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X線診断における皮膚表面線量の実測に向けた小型OSL線量計の基礎特性
岡崎 徹, 橋詰 拓弥, 三原 由樹, 紀本 夏実, 林 裕晃, 竹上 和希, 小林 育夫
第112回医学物理学会学術大会, 2016年9月
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診断用X線に対する小型OSL線量計の実用校正の信頼性
岡崎 徹, 橋詰 拓弥, 三原 由樹, 紀本 夏実, 林 裕晃, 竹上 和希, 小林 育夫
第112回医学物理学会学術大会, 2016年9月
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蛍光飛跡検出器(FNTD)の中性子線量測定における測定精度の評価およびその改善策
橋詰 拓弥, 岡崎 徹, 佐波 俊哉, 萩原 雅之, 林 裕晃, 小林 育夫
日本原子力学会2016年秋の大会, 2016年9月
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光飛跡線量計(FNTD)を用いた中性子線量計の基礎特性
岡崎 徹, 橋詰 拓弥, 林 裕晃, 小林 育夫
保健物理学会第49回研究発表会, 2016年6月
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診断領域X線による介助者被ばくの実測に向けた小型OSL線量計の読取装置の改良
三原 由樹, 紀本 夏実, 沖野 啓樹, 林 裕晃, 金澤 裕樹, 東野 恒作, 竹上 和希, 岡崎 徹, 橋詰 拓弥
医用画像情報学会平成28年度年次(第175回)大会, 2016年6月
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放射線治療領域における小型OSL線量計の計測値の累積線量に対する依存性
松本 晃範, 富永 正英, 佐々木 幹治, 林 裕晃, 岡崎 徹, 橋詰 拓弥, 小林 育夫
第72回日本放射線技術学会学術大会, 2016年4月
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頭頸部治療における自作ボーラス使用時の入射表面線量の評価
佐々木 幹治, 富永 正英, 松本 晃範, 林 裕晃, 岡崎 徹, 橋詰 拓弥, 小林 育夫
第72回日本放射線技術学会学術大会, 2016年4月
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Dependence on echo time for quantitative susceptibility mapping (QSM) MRI
Yuki Matsumoto, Yuki Kanazawa, Usuda Takatoshi, Hiroaki Hayashi, Matsuda Tsuyoshi, Masafumi Harada and Hideki Otsuka
第72回日本放射線技術学会学術大会, Apr. 2016
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Normalization of time-dependent signal change of MRI
Usuda Takatoshi, Yuki Kanazawa, Yuki Matsumoto, Hiroaki Hayashi, Masafumi Harada, Hideki Otsuka and Matsuda Tsuyoshi
第72回日本放射線技術学会学術大会, Apr. 2016
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Proposal of a New Analytic Method for the Determination of Both Atomic Number and Sample Thickness Based on a Photon Counting Technique Using Diagnostic X-rays
Natsumi Kimoto, Hiroki Okino, Kazuki Takegami, Hiroaki Hayashi, Yuki Kanazawa, Tsutomu Yamakawa and Shuichiro Yamamoto
第72回日本放射線技術学会学術大会_Next Generation Session(学生選抜セッション&一般口頭発表), Apr. 2016
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小型OSL線量計を用いた137Csと90Srの分離測定に関する基礎的研究
沖野 啓樹, 竹上 和希, 紀本 夏実, 林 裕晃, 金澤 裕樹, 岡崎 徹, 橋詰 拓弥
第72回日本放射線技術学会学術大会, 2016年4月
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Phantom Study for Entrance-Skin Doses Measurement in the Diagnostic X-ray Region using a Small-type OSL dosimeter Comparison of the doses measured with other detectors-
Kazuki Takegami, Hiroki Okino, Natsumi Kimoto, Hiroaki Hayashi, Yuki Kanazawa, Tohru Okazaki and Takuya Hashizume
第72回日本放射線技術学会学術大会, Apr. 2016
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EGS5を用いた核医学検査領域における小型OSL線量計の検出効率の評価
沖野 啓樹, 竹上 和希, 紀本 夏実, 林 裕晃, 金澤 裕樹, 岡崎 徹, 橋詰 拓弥
第72回日本放射線技術学会学術大会, 2016年4月
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初学者の電離作用の理解に向けた箔検電器の開発
紀本 夏実, 沖野 啓樹, 竹上 和希, 林 裕晃, 金澤 裕樹
第72回日本放射線技術学会学術大会, 2016年4月
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Fabrication of the equal-image-density materials for basic experiment of next-generation-type X-ray diagnosis system
Natsumi Kimoto, Hiroki Okino, Kazuki Takegami, Hiroaki Hayashi, Yuki Kanazawa, Tsutomu Yamakawa and Yamamoto Shuichiro
第72回日本放射線技術学会学術大会, Apr. 2016
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Practical calibration curve for entrance-skin dose measurement using small-type OSL dosimeter
Kazuki Takegami, Hiroki Okino, Natsumi Kimoto, Hiroaki Hayashi, Yuki Kanazawa, Tohru Okazaki and Ikuo Kobayashi
第72回日本放射線技術学会学術大会, Apr. 2016
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蛍光飛跡検出器(FNTD)を用いた中性子線量計のAm-Be中性子に対する応答特性
岡崎 徹, 橋詰 拓弥, 林 裕晃, 小林 育夫
日本原子力学会2016春の年会, 2016年3月
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OSLカスタム線量計によるβ線とγ線の弁別測定
小林 育夫, 移川 隆行, 沖野 啓樹, 林 裕晃
日本放射線安全管理学会第14回学術大会, 2015年12月
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蛍光飛跡検出器(FNTD)の中性子線量測定値におけるバラつきの評価
橋詰 拓弥, 岡崎 徹, 林 裕晃, 小林 育夫
日本放射線安全管理学会第14回学術大会, 2015年12月
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蛍光飛跡検出器(FNTD)を用いた中性子線量測定における基礎特性
岡崎 徹, 橋詰 拓弥, 林 裕晃, 小林 育夫
日本放射線安全管理学会第14回学術大会, 2015年12月
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nanoDot OSL線量計の診断用X線領域におけるエネルギー依存性
岡崎 徹, 橋詰 拓弥, 林 裕晃, 竹上 和希, 沖野 啓樹, 紀本 夏実, 前畑 伊採, 金澤 裕樹, 小林 育夫
日本放射線安全管理学会第14回学術大会, 2015年12月
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OSL線量計の診断領域X線に対する基礎実験 --線量計着用における医用画像への影響評価--
橋詰 拓弥, 岡崎 徹, 竹上 和希, 林 裕晃, 沖野 啓樹, 紀本 夏実, 前畑 伊採, 金澤 裕樹, 小林 育夫
日本放射線安全管理学会第14回学術大会, 2015年12月
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OSL線量計を用いたERCPの患者被曝線量の検討
小郷 匠平, 松田 英治, 林 裕晃, 森分 良, 松本 博樹, 佐伯 悠介, 柳元 真一
第11回中四国放射線医療技術フォーラム, 2015年11月
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クローバー検出器を用いた156Ndの崩壊核データ測定
茶屋 隆盛, 小島 康明, 柴田 理尋, 林 裕晃, 谷口 秋洋
平成27年度KUR専門研究会「短寿命RIを用いた核分光と核物性研究II」, 2015年11月
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MR信号の線形評価を目的とした正規化手法の比較
臼田 貴俊, 金澤 裕樹, 小西 優斗, 松元 友暉, 林 裕晃, 原田 雅史, 松田 豪
第43回日本放射線技術学会秋季学術大会, 2015年10月
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Two dimensional material identification method based on a photon counting technique using low-energy X-ray spectrum
紀本 夏実, 前畑 伊採, 竹上 和希, 沖野 啓樹, 林 裕晃, 金澤裕樹,山河 勉
第43回日本放射線技術学会秋季学術大会, 2015年10月
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拡散強調画像の統計学的信号補正の比較
小西 優斗, 金澤 裕樹, 臼田 貴俊, 松元 友暉, 林 裕晃, 原田 雅史, 松田 豪
第43回日本放射線技術学会秋季学術大会, 2015年10月
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放射線治療領域における小型OSL線量計における繰り返し読み取りによる計測値の評価
松本 晃範, 富永 正英, 佐々木 幹治, 宇恵 希, 森田 里佳, 林 裕晃, 岡 崎徹, 小林 育夫
第43回日本放射線技術学会秋季学術大会, 2015年10月
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High accuracy measurement of contamination rate of scattered X-ray in air-kerma to construct secondary standard using diagnostic X-ray apparatus
前畑 伊採, 林 裕晃, 紀本 夏実, 竹上 和希, 沖野 啓樹, 金澤裕樹
第43回日本放射線技術学会秋季学術大会, 2015年10月
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Basic research for clinical application of the OSL dosimeter in the diagnostic region -Estimation of irradiation conditions not to identify the dosimeter on the medical image-
竹上 和希, 沖野 啓樹, 紀本 夏実, 前畑 伊採, 林 裕晃, 金澤裕樹, 岡崎 徹, 橋詰 拓弥, 小林 育夫
第43回日本放射線技術学会秋季学術大会, 2015年10月
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Measurement of energy dependence for small type OSL dosimeter by means of diagnostic X-ray equipment
竹上 和希, 沖野 啓樹, 紀本 夏実, 前畑 伊採, 林 裕晃, 金澤 裕樹, 岡崎 徹, 橋詰 拓弥, 小林 育夫
第43回日本放射線技術学会秋季学術大会, 2015年10月
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CRシステムを用いた診断領域の散乱X線可視化装置の開発
竹上 和希, 沖野 啓樹, 紀本 夏実, 前畑 伊採, 林 裕晃, 金澤 裕樹
第43回日本放射線技術学会秋季学術大会, 2015年10月
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Basic study for calculation of exposure dose of small type OSL dosimeter for high energy photon beam by means of simulation code(EGS5)
沖野 啓樹, 竹上 和希, 紀本 夏実, 前畑 伊採, 林 裕晃, 金澤 裕樹, 岡崎 徹, 橋詰 拓弥, 小林 育夫
第43回日本放射線技術学会秋季学術大会, 2015年10月
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自作箔検電器を用いた初学者の物理教育-電離作用の理解に向けて-
林 裕晃, 金澤 裕樹, 竹上 和希, 沖野 啓樹, 紀本 夏実, 前畑 伊採
第43回放射線技術学会秋季学術大会, 2015年10月
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ライス分布を用いた拡散強調画像の信号補正
金澤 裕樹, 小西 優斗, 臼田 貴俊, 松元 友暉, 林 裕晃, 原田 雅史, 松田 豪
第43回日本磁気共鳴医学会大会, 2015年9月
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100-2000keVの光子線に対する小型OSL線量計の効率的な照射体系の提案
沖野 啓樹, 竹上 和希, 紀本 夏実, 前畑 伊採, 林 裕晃, 金澤 裕樹, 岡崎 徹, 橋詰 拓弥, 小林 育夫
第22回EGS研究会, 2015年8月
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nanoDot OSL線量計の診断用X線に対する基礎特性
岡崎 徹, 林 裕晃, 竹上 和希, 沖野 啓樹, 紀本 夏実, 前畑 伊採, 小林 育夫
日本保健物理学会第48回研究発表会, 2015年7月
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低エネルギーX線スペクトルのフォトンカウンティングに基づく2次元的物質同定法の提案
紀本 夏実, 前畑 伊採, 竹上 和希, 沖野 啓樹, 林 裕晃, 金澤 裕樹, 山河 勉, 山本 修一郎, 山崎 雅志, 岡田 雅宏
医用画像情報学会 第172回大会, 2015年6月
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診断領域を中心とした物理研究の勧め:研究内容の紹介
林 裕晃
第106回岡山県診療放射線技師会セミナー, 2015年6月
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診断領域を中心とした物理研究の勧め:必要な基礎知識
林 裕晃
第106回岡山県診療放射線技師会セミナー, 2015年6月
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OSL線量計を用いたBSFの実測
竹上 和希, 中川 滉平, 沖野 啓樹, 林 裕晃, 岡崎 徹, 小林 育夫
第71回日本放射線技術学会, 2015年4月
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CRシステムの入出力特性取得のための改良型マルチスリット装置の開発
竹上 和希, 沖野 啓樹, 中川 滉平, 林 裕晃
第71回日本放射線技術学会, 2015年4月
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診断領域X線に対するOSL線量計の角度依存性
沖野 啓樹, 中川 滉平, 竹上 和希, 林 裕晃, 岡崎 徹, 小林 育夫
第71回日本放射線技術学会 学生選抜発表, 2015年4月
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OSL線量計を用いたBSFの実測
竹上 和希, 中川 滉平, 沖野 啓樹, 林 裕晃, 岡崎 徹, 小林 育夫
第71回日本放射線技術学会 学生選抜発表, 2015年4月
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Angular dependence of nanoDot (OSL) dosimeter in diagnosis domain
Hiroki Okino, Kohei Nakagawa, Kazuki Takegami, Hiroaki Hayashi, Tohru Okazaki and Ikuo Kobayashi
日本放射線技術学会 第71回総会学術大会, Apr. 2015
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Ge検出器の全効率がコインシデンスサム効果に与える影響の評価
常少 亮太, 嶋 洋佑, 林 裕晃, 小島 康明, 柴田 理尋
日本原子力学会中部支部研究発表会, 2014年12月
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EGS5の評価に向けたCdTe検出器の応答関数の実測
沖野 啓樹, 中川 滉平, 竹上 和希, 林 裕晃
日本放射線安全管理学会第13回学術大会, 2014年12月
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nanoDot OSL線量計のアニーリング装置の製作
中川 滉平, 沖野 啓樹, 竹上 和希, 林 裕晃, 岡崎 徹, 小林 育夫
日本放射線安全管理学会第13回学術大会, 2014年12月
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nanoDot線量計の診断用X線に対する特性
岡崎 徹, 中川 滉平, 沖野 啓樹, 竹上 和希, 林 裕晃
日本放射線安全管理学会第13回学術大会, 2014年12月
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モンテカルロシミュレーションコードの評価に向けたCdTe検出器の応答関数の実測
沖野 啓樹, 中川 滉平, 竹上 和希, 林 裕晃
第42回 日本放射線技術学会 秋季学術大会, 2014年10月
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nanoDot (OSL) 線量計のアニーリング装置の製作
中川 滉平, 林 裕晃, 沖野 啓樹, 竹上 和希, 岡崎 徹, 小林 育夫
第42回 日本放射線技術学会 秋季学術大会, 2014年10月
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高エネルギーX線における小型 OSL 線量計の基本特性
曽我部 翔, 富永 正英, 松本 晃範, 佐々木 幹治, 中川 滉平, 林 裕晃, 岡崎 徹
第10回中四国放射線医療技術フォーラム, 2014年10月
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診断領域のX線における後方散乱線についての一考察
松本 晃範, 富永 正英, 曽我部 翔, 林 裕晃, 佐々木 幹治
第10回中四国放射線医療技術フォーラム, 2014年10月
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Possibilities of small-type OSL dosimeter for direct measurement of exposure dose in X-ray diagnosis
Kazuki Takegami and Hiroaki Hayashi
Tokushima Bioscience Retreat 2014, Sep. 2014
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動的マルチスリットを用いたコンピューティッドラジオグラフィシステムの特性曲線の取得, --- 金森奨励賞受賞者記念講演 ---
竹上 和希, 林 裕晃, 紀本 夏実, 前畑 伊採, 野々宮 泉, 福田 郁磨, 小西 有貴
医用画像情報学会(MII)平成26年度年次(第169回)大会, 2014年5月
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A new measurement method of fraction of scattered X-ray instead of the lead disc method
Kazuki Takegami, Yuki Konishi, Ikuma Fukuda and Hiroaki Hayashi
The 70th Annual Scientific Congress of JSRT, Apr. 2014
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鉛ディスク法に代わる散乱X線含有率の新しい測定法
竹上 和希, 小西 有貴, 福田 郁磨, 林 裕晃
日本放射線技術学会第70回総会学術大会学生選抜発表, 2014年4月
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全立体角型クローバー検出器を用いた核分裂生成物La-147とBa-145の高エネルギー励起準位の測定
嶋 洋佑, 小島 康明, 柴田 理尋, 林 裕晃, 谷口 秋洋
日本原子力学会2014年春の年会, 2014年3月
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全吸収型Ge検出器を用いた崩壊エネルギーの測定
林 裕晃
第7回SSRI研究会, 2014年3月
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全吸収クローバー検出器を用いた核分裂生成物145Baの高エネルギー励起準位の測定
嶋 洋佑, 林 裕晃, 小島 康明, 柴田 理尋, 谷口 秋洋
平成25年度KUR専門研究会 「不安定原子核の理工学と物性応用研究 III」, 2013年12月
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X線漏洩源の特定のための円環状コリメータカメラの開発, --- 研究奨励賞受賞講演 ---
林 裕晃, 花光 宏樹, 西原 貞光, 村上 淳
放射線安全管理学会第12回学術大会, 2013年11月
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CdTe検出器のエネルギー校正用装置の開発
福田 郁磨, 竹上 和希, 小西 有貴, 林 裕晃
日本放射線技術学会第41回秋季学術大会, 2013年10月
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医療用X線撮影装置を用いた実験のための霧箱の開発
小西 有貴, 竹上 和希, 福田 郁磨, 林 裕晃
日本放射線技術学会第41回秋季学術大会, 2013年10月
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改良型マルチスリット法の装置を用いたコンピューティッドラジオグラフィシステムの特性曲線の取得
竹上 和希, 林 裕晃, 紀本 夏実, 前畑 伊採, 野々宮 泉, 福田 郁磨, 小西 有貴
日本放射線技術学会第41回秋季学術大会, 2013年10月
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診断用X線撮影装置のフィルタ用ガイドに装着可能なファインビーム発生用コリメータの製作
竹上 和希, 福田 郁磨, 小西 有貴, 林 裕晃
第29回日本診療放射線技師学術大会, 2013年9月
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実習用装置の開発と放射線技術教育の実践, --- 教育講演V ---
林 裕晃
第29回日本診療放射線技師学術大会, 2013年9月
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Qβ measurements of neutron-rich nuclei of 160-166Eu and 163,165Gd using total absorption-type clover Ge detector
林 裕晃, 柴田 理尋, 浅井 雅人, 長 明彦, 佐藤 哲也, 小泉 光生, 木村 敦 and 大島 真澄
タンデム領域の重イオン科学研究会, Jul. 2013
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動的マルチスリット法を用いた輝尽性蛍光体プレートの特性曲線の取得
竹上 和希, 福田 郁磨, 小西 有貴, 紀本 夏実, 前畑 伊採, 野々宮 泉, 林 裕晃
医用画像情報学会第166回年次大会, 2013年6月
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輝尽性蛍光体プレートを用いて取得したX線画像上の黒点発生の解明に向けたモンテカルロシミュレーション, --- 内田論文賞受賞記念講演 ---
林 裕晃, 西原 貞光, 谷内 翔, 神谷 尚武
医用画像情報学会第166回年次大会, 2013年6月
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質量数150近傍中性子過剰希土類核の励起準位の寿命測定
小島 康明, 嶋 洋佑, 林 裕晃, 谷口 秋洋, 柴田 理尋
「不安定原子核の理工学と物性応用研究」専門研究会, 2012年12月
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EGS5を用いたX 線診断領域におけるX 線スペクトルの検討:幾何学的配置による影響について
福本 晃, 西原 貞光, 秦 佑里奈, 林 裕晃
中四国放射線医療技術フォーラム, 2012年10月
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重金属フィルタを利用した患者被曝線量の低減に関する基礎実験
西原 貞光, 大塚 昭義, 眞田 泰三, 林 裕晃
中四国放射線医療技術フォーラム, 2011年11月
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Identification of High-Energy Levels in 147Ce with a Total Absorption Clover Detector
Yosuke Shima, Yasuaki Kojima, Michihiro Shibata, Hiroaki Hayashi and Akihiro Taniguchi
核データ研究会, Nov. 2011
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X線検出器(イメージングプレート:IP)に付着した放射性同位元素の除染
小沼 洋治, 林 美智子, 林 裕晃, 西原 貞光
第59回日本職業・災害医学会, 2011年11月
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IPに付着した放射性物質の除染方法の提案とゲルマニウム検出器を用いた分析
林 裕晃, 西原 貞光, 小沼 洋治, 林 美智子
日本放射線技術学会第39回秋季大会, 2011年10月
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重金属フィルタを利用した患者被ばく線量低減に関する基礎実験
西原 貞光, 大塚 昭義, 眞田 泰三, 林 裕晃
医用画像情報学会MII平成23年度秋季大会, 2011年10月
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多数点測定実験におけるIPのフェーディング補正手法の提案
林 裕晃, 神谷 尚武, 谷内 翔, 西原 貞光
医用画像情報学会MII平成23年度秋季大会, 2011年10月
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高強度パルス中性子源を用いた革新的原子炉用核データの研究開発(10)崩壊核データ測定
林 裕晃, 柴田 理尋, 浅井 雅人, 長 明彦, 佐藤 哲也, 小泉 光生, 木村 敦, 大島 真澄
原子力学会2010春の年会, 2010年3月
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全吸収検出器を用いた質量数160近傍核のベータ崩壊エネルギー測定
林 裕晃, 柴田 理尋, 浅井 雅人, 長 明彦, 佐藤 哲也, 小泉 光生, 木村 敦, 大島 真澄
物理学会第65回年次大会, 2010年3月
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クローバ型Ge検出器を用いた全吸収検出器による160-165Euの崩壊エネルギー測定
林 裕晃, 柴田 理尋, 浅井 雅人, 長 明彦, 佐藤 哲也, 小泉 光生, 木村 敦, 大島 真澄
停止・低速不安定核ビームを用いた核分光研究会(第6回), 2010年3月
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化学雑巾を用いた床面汚染検査の現状と他製品利用可能性の検討
林 裕晃, 石田 佳幸, 柴田 理尋
日本放射線安全管理学会第8回学術大会, 2009年12月
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モンテカルロシミュレーションを用いた崩壊エネルギー決定用全吸収型検出器の開発と解析法の検討
宿利 陽介, 林 裕晃, 柴田 理尋, 小島 康明, 谷口 秋洋
原子力学会中部支部第41回研究発表会, 2009年11月
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全吸収検出器を用いた長寿命162,165Gd核異性体の寿命測定
浅井 雅人, 林 裕晃, 長 明彦, 佐藤 哲也, 乙川 義憲, 長江 大輔, 塚田 和明, 宮下 裕次, 大内 裕之, 泉 さやか, 篠塚 勉
物理学会春の大会, 2009年3月
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全吸収BGO検出器を用いた質量未測定核種160-165Eu, 163GdのQβ測定
林 裕晃, 秋田 幸範, 柴田 理尋, 浅井 雅人, 佐藤 哲也, 市川 進一, 塚田 和明, 長 明彦, 石井 哲朗, 小島 康明, 谷口 秋洋
タンデム領域の重イオン科学研究会(原研・KEK共催), 2006年12月
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全吸収検出器によるQEC決定の可能性の検証
秋田 幸範, 林 裕晃, 柴田 理尋, 小島 康明, 谷口 秋洋
第38回日本原子力学会中部支部発表会, 2006年12月
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全吸収検出器を用いた中性子過剰Eu同位体のβ崩壊エネルギー測定
林 裕晃, 秋田 幸範, 柴田 理尋, 浅井 雅人, 佐藤 哲也, 市川 進一, 塚田 和明, 長 明彦, 石井 哲朗, 小島 康明, 谷口 秋洋
日本物理学会第61回年次大会 春の大会, 2006年3月
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ISOLを用いた全吸収検出器によるQβ測定
林 裕晃, 秋田 幸範, 柴田 理尋, 浅井 雅人, 佐藤 哲也, 市川 進一, 塚田 和明, 長 明彦, 石井 哲朗, 小島 康明, 谷口 秋洋, 橘 孝博
停止・低速不安定核ビームを用いた核分光研究会, 2006年3月
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崩壊エネルギー(Qβ)測定のための全吸収型Ge検出器の開発
林 裕晃, 宮崎 格, 河出 清, 柴田 理尋, 小島 康明, 谷口 秋洋
日本原子力学会中部支部第36回研究発表会, 2004年12月
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全吸収Ge検出器を用いた崩壊エネルギーの測定
林 裕晃, 宮崎 格, 柴田 理尋, 河出 清, 小島 康明, 谷口 秋洋
第一回TRIACワークショップ, 2004年9月
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Qβ Measurement Using Well-type HPGe Detector
Hiroaki Hayashi, O. Suematsu, M. Shibata, Y. Kojima, A. Taniguchi and K. Kawade
核データ研究会2003, Nov. 2003
08その他・研究会
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ESD算出に必要なパラメータの検討
林 裕晃
一般撮影領域のEntrance Skin Dose測定セミナー, 2020年1月
-
放射線計測に必要な物理学
林 裕晃
一般撮影領域のEntrance Skin Dose測定セミナー, 2020年1月
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小型OSL線量計を用いた高エネルギー光子線の線量評価技術の開発
後藤聡汰,林裕晃,冨田恵美,山口英俊,清水森人
SATテクノロジー・ショーケース2019, 2019年1月
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企業及び大学病院との共同研究で学んだこと
冨田恵美
大森昌三記念財団奨学生研修会,2018年12月
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ESD算出に必要なパラメータの検討
林 裕晃
一般撮影領域のEntrance Skin Dose測定セミナー, 2018年9月
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放射線計測に必要な物理学
林 裕晃
一般撮影領域のEntrance Skin Dose測定セミナー, 2018年9月
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臨床に向けた放射線物理の理解
林 裕晃
Jpi社社内向け勉強会,2018年7月
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医療の世界から見た放射線物理
林 裕晃
長瀬ランダウア社内向け勉強会,2018年1月
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小型OSL線量計を用いたDual-source CTの高速二重螺旋撮影における入射表面線量実測
竹上 和希,林 裕晃,後藤 聡汰,冨田 恵美,三原 由樹,岡崎 徹,橋詰 拓弥,久冨 庄平,米沢 鉄平,徳禮 将吾,橋本 歩,大賀 優里奈,岩永 秀幸
大塚ゼミ,2018年1月
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ESD算出に必要なパラメータの検討
林 裕晃
一般撮影領域のEntrance Skin Dose測定セミナー, 2017年9月
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放射線計測に必要な物理学
林 裕晃
一般撮影領域のEntrance Skin Dose測定セミナー, 2017年9月
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ビームハードニングの補正手法の理論的検討とsingle-probe-type CdTe検出器を用いた実証実験
紀本 夏実, 淺原 孝, 林 裕晃, 山河 勉, 山本 修一郎, 山崎 雅志, 岡田 雅宏
第2回フォトンカウンティング研究会, 2017年3月
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EGS5コードを用いた散乱線除去に関するシミュレーション
淺原 孝, 紀本 夏実, 林 裕晃, 山河 勉, 山本 修一郎, 山崎 雅志, 岡田 雅宏
第2回フォトンカウンティング研究会, 2017年3月
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小型OSL線量計を用いた小児X線撮影における介助者被ばく測定
三原 由樹, 後藤 聡汰, 冨田 恵美, 紀本 夏実, 淺原 孝, 林 裕晃, 岡崎 徹, 橋詰 拓弥
第36回大塚ゼミ, 2017年1月
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RSNA2016におけるcertificate of merit & CIRMS受賞研究紹介, --- 世界に研究を発信する ---
竹上 和希, 林 裕晃, 三原 由樹, 紀本 夏実, 岡崎 徹, 橋詰 拓弥
第36回大塚ゼミ, 2017年1月
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Fundamental Study for Direct Measurement of Entrance-Surface Dose using the Small-Type OSL Dosimeter during CT examination
Takegami Kazuki, Yonezawa Teppei, Hiroaki Hayashi, Mihara Yoshiki, Okazaki Tohru and Hashizume Takuya
第36回大塚ゼミ, Jan. 2017
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新生児CT撮影における被ばく線量実測に向けた検討
多田 佳司, 内部 拓, 岡 春奈, 景山 紗貴, 山本 泰司, 西山 祐一, 林 裕晃, 三原 由樹
第36回大塚ゼミ, 2017年1月
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Uncertainty evaluation of fluorescent nuclear track detectors (FNTDs) for neutron dose measurements
Takuya Hashizume, Tohru Okazaki, Toshiya Sanami, Masayuki Hagiwara, Hideaki Monjushiro, Hiroaki Hayashi and Ikuo Kobayashi
KEKスチューデント・デイ, Oct. 2016
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ESD算出に必要なパラメータの検討
林 裕晃
一般撮影領域のEntrance Skin Dose測定セミナー, 2016年9月
-
放射線計測に必要な物理学
林 裕晃
一般撮影領域のEntrance Skin Dose測定セミナー, 2016年9月
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スリットスキャニングによる散乱X線の低減効果の検証, --- シミュレーション計算による基礎研究 ---
紀本 夏実, 淺原 孝, 林 裕晃, 山河 勉, 山本 修一郎, 山崎 雅志, 岡田 雅宏
第一回フォトンカウンティング技術研究会, 2016年7月
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診断領域における物質同定に関する基礎研究, --- CdTe検出器を用いた実験による検証 ---
紀本 夏実, 淺原 孝, 林 裕晃, 山河 勉, 山本 修一郎, 山崎 雅志, 岡田 雅宏
第一回フォトンカウンティング技術研究会, 2016年7月
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シミュレーション計算によるマルチピクセル化されたCdTe検出器の応答関数の推定
林 裕晃, 淺原 孝, 紀本 夏実, 山河 勉, 山本 修一郎, 山崎 雅志, 岡田 雅宏
第一回フォトンカウンティング技術研究会, 2016年7月
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基礎から学ぼう放射線物理学 第8回放射線計測学の基礎
林 裕晃
第9回医用放射線技術研究会, 2016年6月
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放射線科学と物理学
林 裕晃
第7回四国放射線治療研究ネットワークセミナー, 2016年6月
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次世代型X線診断システムの開発に向けた新しいフォトンカウンティング理論の構築と実験的検証
林 裕晃
平成27年度若手研究者育成支援事業成果報告会, 2016年5月
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基礎から学ぼう放射線物理学 第7回診断領域の物理と解析の関係
林 裕晃
第8回医用放射線技術研究会, 2016年3月
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小型OSL線量計を用いた 入射皮膚線量測定に向けた基礎実験
竹上 和希, 沖野 啓樹, 紀本 夏実, 前畑 伊採, 林 裕晃
第35回大塚ゼミ, 2016年1月
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フォトンカウンティング検出器の 基礎理論構築と実証実験
紀本 夏実, 前畑 伊採, 竹上 和希, 沖野 啓樹, 林 裕晃, 山河 勉, 山本 修一郎, 岡田 雅宏
第35回大塚ゼミ, 2016年1月
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基礎から学ぼう放射線物理学 第6回EC崩壊とγ線の放出
林 裕晃
第7回医用放射線技術研究会, 2015年12月
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基礎から学ぼう放射線物理学 第5回β崩壊
林 裕晃
第6回医用放射線技術研究会, 2015年9月
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基礎から学ぼう物理学 第4回原子核の安定性
林 裕晃
第4回医用放射線技術研究会, 2015年5月
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基礎から学ぼう物理学 第3回X線と物質の相互作用
林 裕晃
第3回医用放射線技術研究会, 2015年3月
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基礎から学ぼう物理学 第2回X線
林 裕晃
第2回医用放射線技術研究会, 2015年1月
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診断用X線撮影装置を用いたCdTe検出器の応答関数の実測法の提案とモンテカルロシミュレーションコードの評価
沖野 啓樹, 林 裕晃, 前畑 伊採, 紀本 夏実, 竹上 和希
第34回大塚ゼミ, 2015年1月
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入射表面線量の実測に向けた小型OSL線量計の基礎研究
竹上 和希, 林 裕晃, 沖野 啓樹, 前畑 伊採, 紀本 夏実
第34回大塚ゼミ, 2015年1月
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基礎から学ぼう物理学 第1回原子の構造
林 裕晃
第1回医用放射線技術研究会, 2014年11月
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マルチスリット法を用いたCRシステムにおける入出力特性取得法の提案
竹上 和希, 林 裕晃
第33回大塚ゼミ, 2014年1月
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実習用実験装置の開発
林 裕晃
第32回大塚ゼミ, 2013年1月