Updated on 2025/07/17

写真a

 
KONO TOSHIYUKI
 
Organization
Radiation Safety and Management Center Researcher
Title
Researcher
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Degree

  • Doctor of Science ( Tokyo Institute of Technology )

Research Interests

  • Nuclear physics in general, Radiation physics, impact phenomena, Atomic collision processes and interactions, Measurement of radiation

Research Areas

  • Natural Science / Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics

Education

  • Tokyo Institute of Technology   Graduate School, Division of Science and Engineering

    - 1985

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    Country: Japan

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  • Tokyo Institute of Technology   Faculty of Science

    - 1978

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    Country: Japan

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Research History

  • Tokyo Institute of Technology   Interdisciplinary Graduate School of Science and Engineering   Professor

    2001 - 2018.3

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  • Tokyo Institute of Technology   Interdisciplinary Graduate School of Science and Engineering

    1995 - 2001

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  • 放射線医学総合研究所   主任研究官

    1992 - 1995

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  • 放射線医学総合研究所   研究員

    1989 - 1992

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Professional Memberships

MISC

  • Monitoring the irradiation field of (12)C and (16)O SOBP beams using positron emitters produced through projectile fragmentation reactions

    Taku Inaniwa, Toshiyuki Kohno, Takehiro Tomitani, Shinji Sato

    PHYSICS IN MEDICINE AND BIOLOGY   53 ( 3 )   529 - 542   2008.2

  • Clinical ion beams: semi-analytical calculation of their quality

    Taku Inaniwa, Takuji Furukawa, Naruhiro Matsufuji, Toshiyuki Kohno, Shinji Sato, Koji Noda, Tatsuaki Kanai

    PHYSICS IN MEDICINE AND BIOLOGY   52 ( 24 )   7261 - 7279   2007.12

  • Z dependence of the N=152 deformed shell gap: In-beam gamma-ray spectroscopy of neutron-rich (245,246)Pu

    H. Makii, T. Ishii, M. Asai, K. Tsukada, A. Toyoshima, M. Matsuda, A. Makishima, J. Kaneko, H. Toume, S. Ichikawa, S. Shigematsu, T. Kohno, M. Ogawa

    PHYSICAL REVIEW C   76 ( 6 )   061301   2007.12

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  • Measurements of deposited dose with induced beta(+) activity in proton and heavy-ion therapy

    T. Inaniwa, T. Kohno, T. Tomitani, E. Urakabe, S. Sato, M. Kanazawa, T. Kanai

    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT   580 ( 2 )   1140 - 1143   2007.10

  • In-beam gamma-ray study of the neutron-rich nuclei U-240, Pu-246, and Cm-250 produced by the (O-18, O-16) reaction

    T. Ishii, S. Shigematsu, H. Makii, M. Asai, K. Tsukada, A. Toyoshima, M. Matsuda, A. Makishima, T. Shizuma, J. Kaneko, I. Hossain, H. Toume, M. Ohara, S. Ichikawa, T. Kohno, M. Ogawa

    PHYSICS OF ATOMIC NUCLEI   70 ( 8 )   1457 - 1461   2007.8

  • Ground-state bands of neutron-rich Th-236 and U-242 nuclei and implication of spherical shell closure at N=164

    T. Ishii, H. Makii, M. Asai, H. Koura, S. Shigematsu, K. Tsukada, A. Toyoshima, M. Matsuda, A. Makishima, J. Kaneko, H. Toume, I. Hossain, T. Shizuma, S. Ichikawa, T. Kohno, M. Ogawa

    PHYSICAL REVIEW C   76 ( 1 )   1 - 11303   2007.7

  • Maximum likelihood estimation of proton irradiated field and deposited dose distribution

    Taku Inaniwa, Toshiyuki Kohno, Fumiko Yamagata, Takehiro Tomitani, Shinji Sato, Mitsutaka Kanazawa, Tatsuaki Kanai, Eriko Urakabe

    MEDICAL PHYSICS   34 ( 5 )   1684 - 1692   2007.5

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  • Performance of Neutron/Proton Source Based on Ion-Source-Assisted Cylindrical Radially Convergent Beam Fusion

    YAMAUCHI Kunihito, OHURA Sonoe, WATANABE Masato, OKINO Akitoshi, KOHNO Toshiyuki, HOTTA Eiki, YUURA Morimasa

    IEEJ Transactions on Fundamentals and Materials   126 ( 11 )   1177 - 1182   2006.11

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    Language:English   Publisher:The Institute of Electrical Engineers of Japan  

    Radially Convergent Beam Fusion (RCBF) device is a compact fusion proton/neutron source with an extremely simple configuration, high controllability, and hence high safety. Therefore, it has been studied for practical use as a portable neutron/proton source for various applications such as landmine detection and medical positron emission tomography. However, some problems remain for the practical use, and the most critical one is the insufficiency of absolute neutron/proton yields. In this study, a new RCBF device was designed to obtain higher neutron/proton yields, and tested by using deuterium gas. The key features of the new device are the cylindrical electrode configuration in consideration of better electrostatic confinement of ions and extraction of protons, and an integrated ion source that consists of a cusp magnetic field and a negatively biased grid anode. To investigate the performance characteristics of the device and the effect of the ion source, three kinds of experimental setup were used for comparison. At first, the device was operated with the basic setup. Then a cusp magnetic field was applied by using ferrite magnets, and finally the grid anode was negatively biased. As a result, it was confirmed that the ion source works effectively. At the same voltage and current, the obtained neutron production rate was about one order of magnitude higher than that of the conventional spherical RCBF device. The maximum neutron production rate of 6.8 × 109 n/s was obtained at a pulsed discharge of -70 kV and 10 A with an anode bias voltage of -1.0 kV.

    DOI: 10.1541/ieejfms.126.1177

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    J-GLOBAL

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  • Experimental determination of particle range and dose distribution in thick targets through fragmentation reactions of stable heavy ions

    Taku Inaniwa, Toshiyuki Kohno, Takehiro Tomitani, Eriko Urakabe, Shinji Sato, Mitsutaka Kanazawa, Tatsuaki Kanai

    PHYSICS IN MEDICINE AND BIOLOGY   51 ( 17 )   4129 - 4146   2006.9

  • Application of heavy-ion CT

    Hiroshi Shinoda, Tatsuaki Kanai, Toshiyuki Kohno

    PHYSICS IN MEDICINE AND BIOLOGY   51 ( 16 )   4073 - 4081   2006.8

  • Application of MLE method to range determination with induced beta(+) activity in hadron therapy

    T Inaniwa, T Kohno, T Tomitani, M Kanazawa, S Sato, E Urakabe, T Kanai

    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT   562 ( 2 )   1017 - 1019   2006.6

  • Ground-state band of the neutron-rich transuranium nucleus Cm-250(154)

    T Ishii, S Shigematsu, H Makii, M Asai, K Tsukada, A Toyoshima, M Matsuda, A Makishima, T Shizuma, J Kanek, Hossain, I, H Toume, M Ohara, SI Ichikawa, T Kohno, M Ogawa

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   75 ( 4 )   1 - 43201   2006.4

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  • Performance of Neutron/Proton Source Based on Ion-Source-Assisted Cylindrical Radially Convergent Beam Fusion

    Kunihito Yamauchi, Sonoe Ohura, Masato Watanabe, Akitoshi Okino, Toshiyuki Kohno, Eiki Hotta, Morimasa Yuura

    IEEJ Trans. FM   126 ( 11 )   1177 - 1182   2006

  • Simulation for position determination of distal and proximal edges for SOBP irradiation in hadron therapy by using the maximum likelihood estimation method

    T Inaniwa, T Kohno, T Tomitani

    PHYSICS IN MEDICINE AND BIOLOGY   50 ( 24 )   5829 - 5845   2005.12

  • In-beam gamma-ray spectroscopy of U-240 using the (O-18,O-16) reaction

    T Ishii, S Shigematsu, M Asai, A Makishima, M Matsuda, J Kaneko, Hossain, I, S Ichikawa, T Kohno, M Ogawa

    PHYSICAL REVIEW C   72 ( 2 )   1 - 21301   2005.8

  • Spatial fragment distribution from a therapeutic pencil-like carbon beam in water

    N Matsufuji, M Komori, H Sasaki, K Akiu, M Ogawa, A Fukumura, E Urakabe, T Inaniwa, T Nishio, T Kohno, T Kanai

    PHYSICS IN MEDICINE AND BIOLOGY   50 ( 14 )   3393 - 3403   2005.7

  • Pulsed operation of a compact fusion neutron source using a high-voltage pulse generator developed for landmine detection

    K Yamauchi, M Watanabe, A Okino, T Kohno, E Hotta, M Yuura

    FUSION SCIENCE AND TECHNOLOGY   47 ( 4 )   1229 - 1232   2005.5

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    Language:English  

    Web of Science

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  • Research and development of landmine detection system by a compact fusion neutron source

    K Yoshikawa, K Masuda, H Toku, K Nagasaki, T Mizutani, T Takamatsu, M Imoto, Y Yamamoto, M Ohnishi, H Osawa, E Hotta, T Kohno, A Okino, M Watanabe, K Yamauchi, M Yuura, S Shiroya, T Misawa, T Mori

    FUSION SCIENCE AND TECHNOLOGY   47 ( 4 )   1224 - 1228   2005.5

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  • Responses of a diamond detector to high-LET charged particles

    M Sakama, T Kanai, Y Kase, M Komori, A Fukumura, T Kohno

    PHYSICS IN MEDICINE AND BIOLOGY   50 ( 10 )   2275 - 2289   2005.5

  • Quantitative comparison of suitability of various beams for range monitoring with induced beta(+) activity in hadron therapy

    T Inaniwa, T Tomitani, T Kohno, T Kanai

    PHYSICS IN MEDICINE AND BIOLOGY   50 ( 6 )   1131 - 1145   2005.3

  • Measurement of electron density distribution using heavy ion CT

    Y Ohno, T Kohno, N Matsufuji, T Kanai

    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT   525 ( 1-2 )   279 - 283   2004.6

  • 核破砕反応により生成される粒子の角度分布2

    秋生賢吾, 松藤成弘, 小森雅孝, 河野俊之, 金井達明, 浦壁恵理子, 西尾禎治

    第87回日本医学物理学会大会報文集   81 - 82   2004

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  • 重粒子線治療におけるTEPCを用いた生物線量の推定

    加瀬優紀, 金井達明, 野田豊, 坂間誠, 篠田浩司, 河野俊之

    第87回日本医学物理学会大会報文集   73 - 74   2004

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  • モンテカルロシミュレーションによるダイヤモンド検出器の応答の比較

    坂間誠, 金井達明, 福村明史, 河野俊之

    第88回日本医学物理学会大会報文集   239 - 242   2004

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  • 陽子線照射によるターゲット核破砕反応から生じた陽電子崩壊核を用いた照射野確認システム

    稲庭拓, 西尾禎治, 北川敦志, 河野俊之, 金井達明, 水野秀之, 浦壁恵理子, 村上健, 富谷武浩, 須田充, 金澤光隆

    第88回日本医学物理学会大会報文集   99 - 102   2004

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  • ブロードビーム重イオンCT用測定システムの改良

    柳澤正規, 河野俊之, 金井達明, 松藤成弘

    第88回日本医学物理学会大会報文集   77 - 80   2004

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  • 核反応に伴う治療用炭素線中のフラグメント粒子の空間分布

    松藤成弘, 小森雅孝, 浦壁恵理子, 福村明史, 西尾禎治, 稲庭拓, 加瀬優紀, 坂間誠, 中橋喜悦, 柳澤正規, 河野俊之, 金井達明

    第88回日本医学物理学会大会報文集   67 - 69   2004

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  • 陽子線照射によるターゲット核破砕反応からの生成核種反応断面積の決定-3

    稲庭拓, 西尾禎治, 北川敦志, 河野俊之, 金井達明, 水野秀之, 浦壁恵理子, 村上健, 富谷武浩, 須田充, 金澤光隆

    第87回日本医学物理学会大会報文集   83 - 84   2004

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  • Influence of fragment reaction of relativistic heavy charged particles on heavy-ion radiotherapy

    N Matsufuji, A Fukumura, M Komori, T Kanai, T Kohno

    PHYSICS IN MEDICINE AND BIOLOGY   48 ( 11 )   1605 - 1623   2003.6

  • Electron density measurement with dual-energy x-ray CT using synchrotron radiation

    M Torikoshi, T Tsunoo, M Sasaki, M Endo, Y Noda, Y Ohno, T Kohno, K Hyodo, K Uesugi, N Yagi

    PHYSICS IN MEDICINE AND BIOLOGY   48 ( 5 )   673 - 685   2003.3

  • Estimation of Clinical Dose by a Tissue Equivalent Proportional Counter for Heavy-Ion Radiotherapy

    Y. Kase, T, Kanai, Y. Noda, M. Yoshimoto, T. Kohno

    Proceedings of the Fifth Symposium on Accelerator and Related Technology for Application (in Japanese)   37 - 40   2003

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  • 陽子線照射によるターゲット核破砕反応からの生成核種反応断面積の決定-2

    稲庭拓, 西尾禎治, 北川敦志, 河野俊之, 金井達明, 水野秀之, 浦壁恵理子, 村上健, 富谷武浩, 須田充, 金澤光隆

    第86回日本医学物理学会大会報文集   78 - 81   2003

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  • 核破砕反応により生成される粒子の角度分布

    秋生賢吾, 松藤成弘, 小森雅孝, 河野俊之, 金井達明, 浦壁恵理子, 西尾禎治

    第86回日本医学物理学会大会報文集   74 - 77   2003

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  • 陽子線照射によるターゲット核破砕反応からの生成核種反応断面積の決定

    稲庭拓, 西尾禎治, 北川敦志, 河野俊之, 金井達明, 水野秀之, 浦壁恵理子, 平井正明, 村上健, 富谷武浩, 須田充, 金澤光隆

    第85回日本医学物理学会大会報文集   117 - 120   2003

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  • ロッシ・カウンタによる臨床線量の推定

    加瀬優紀, 金井達明, 野田豊, 吉本光男, 河野俊之

    第85回日本医学物理学会大会報文集   69 - 72   2003

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  • Mass Spectra of Secondary Ions Produced in 6-MeV/amu Bare-Ion Collisions with Hydrocarbon Molecules

    T. Matsuo, T, Kohno, T, Nakazato, Y. Ohno, T. Murakami

    Abstracts of 23rd International Conference on the Physics of Electronic and Atomic Collisions   TH147   2003

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  • Gross Ionization Cross Sections for Hydrocarbon Molecules under 6-MeV/amu Bare-Ion Impact

    T. Matsuo, T. Kohno, Y. Ohno, S. Watanabe, T. Murakami

    Abstracts of 23rd International Conference on the Physics of Electronic and Atomic Collisions   TH146   2003

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  • 治療用陽子線の照射によりターゲット中の核破砕反応で生成されるβ^+^崩壊核の研究-3

    西尾禎治, 稲庭拓, 北川敦志, 村上健, 金井達明, 富谷武浩, 須田充, 浦壁恵理子, 平井正明, 水野秀之, 河野俊之, 金澤光隆

    第85回日本医学物理学会大会報文集   113 - 116   2003

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  • 核破砕反応により生成される粒子のLETと多重散乱

    秋生賢吾, 佐々木瞳, 小森雅孝, 河野俊之, 金井達明, 平井正明, 浦壁恵理子, 西尾禎治

    第85回日本医学物理学会大会報文集   97 - 100   2003

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  • 炭素線の深部線量分布、飛程およびストラグリング

    金井達明, 南部修也, 坂内俊輔, 関口良孝, 大野由美子, 遊佐顕, 河野俊之

    第85回日本医学物理学会大会報文集   79 - 82   2003

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  • ダイヤモンド検出器の重粒子線に対する線量測定

    坂間誠, 金井達明, 加瀬優紀, 小森雅孝, 河野俊之

    第85回日本医学物理学会大会報文集   75 - 78   2003

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  • 重粒子線治療における組織等価比例計数管を用いた臨床線量推定

    37 - 40   2003

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  • ダイヤモンド検出器の応答のトラック構造を考慮した解析

    21 - 24   2003

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  • 炭素線における組織等価比例計数管を用いたマイクロドシメトリとGEANT4を用いた測定の検証

    加瀬優紀, 金井達明, 野田豊, 吉本光男, 河野俊之

    第86回日本医学物理学会大会報文集   98 - 101   2003

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  • ダイヤモンド検出器の応答のトラック構造を考慮した解析

    坂間誠, 金井達明, 加瀬優紀, 小森雅孝, 河野俊之

    第86回日本医学物理学会大会報文集   89 - 92   2003

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  • Analysis of Diamond Detector Responses for Track Structure

    M. Sakama, T. Kanai, Y, Kase M. Komori, T. Kohno

    Proceedings of the Fifth Symposium on Accelerator and Related Technology for Application (in Japanese)   21 - 24   2003

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  • Mass Spectra of Secondary Ions Produced in 6-MeV/amu Bare-Ion Collisions with Hydrocarbon Molecules

    T. Matsuo, T, Kohno, T, Nakazato, Y. Ohno, T. Murakami

    Abstracts of 23rd International Conference on the Physics of Electronic and Atomic Collisions   TH147   2003

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  • Gross Ionization Cross Sections for Hydrocarbon Molecules under 6-MeV/amu Bare-Ion Impact

    T. Matsuo, T. Kohno, Y. Ohno, S. Watanabe, T. Murakami

    Abstracts of 23rd International Conference on the Physics of Electronic and Atomic Collisions   TH146   2003

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  • TOF用検出器の開発と重粒子線飛程の精密測定

    関口良孝, 河野俊之, 大野由美子, 金井達明, 松藤成弘

    日本原子力学会2002年春の年会要旨集第1分冊   160   2002

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  • Study on the Fluence and LET Distribution of Projectile Fragments Produced from Heavy Ion Therapeutic Beams

    M.Komori A.Fukumura, M.Hirai, T.Kanai, R.Kohno, T.Kohno, N.Matsufuji, S.Nanbu, H.Sasaki

    Proceedings of the 3rd Korea-Japan Joint Meeting on Medical Physics and the 2nd Asia Oceania Congress of Medical Physics   216 - 218   2002

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  • Profile and Dose Distribution for Therapeutic Heavy Ion Beams

    H.Sasaki, M.Komori, T.Kohno, T.Kanai, M.Hirai E, Urakabe T.Nishio

    Proceedings of the 3rd Korea-Japan Joint Meeting on Medical Physics and the 2nd Asia Oceania Congress of Medical Physics   211 - 213   2002

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  • Target Size Dependence of Spatial Resolution in Heavy Ion CT

    Y.Ohno T.Kohno, T.Kanai, H.Sasaki, S.Nanbu

    Proceedings of the 3rd Korea-Japan Joint Meeting on Medical Physics and the 2nd Asia Oceania Congress of Medical Physics   94 - 96   2002

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  • Precise Measurement of Beam Energy and Range with TOF and Counter Telescope System

    S.Nanbu, T.Kanai, T.Kohno, Y.Ohno

    Proceedings of the 3rd Korea-Japan Joint Meeting on Medical Physics and the 2nd Asia Oceania Congress of Medical Physics   225 - 227   2002

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  • Study on the Fluence and LET Distribution of Projectile Fragments Produced from Heavy Ion Therapeutic Beams

    M.Komori A.Fukumura, M.Hirai, T.Kanai, R.Kohno, T.Kohno, N.Matsufuji, S.Nanbu, H.Sasaki

    Proceedings of the 3rd Korea-Japan Joint Meeting on Medical Physics and the 2nd Asia Oceania Congress of Medical Physics   216 - 218   2002

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  • Profile and Dose Distribution for Therapeutic Heavy Ion Beams

    H.Sasaki, M.Komori, T.Kohno, T.Kanai, M.Hirai E, Urakabe T.Nishio

    Proceedings of the 3rd Korea-Japan Joint Meeting on Medical Physics and the 2nd Asia Oceania Congress of Medical Physics   211 - 213   2002

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  • Target Size Dependence of Spatial Resolution in Heavy Ion CT

    Y.Ohno T.Kohno, T.Kanai, H.Sasaki, S.Nanbu

    Proceedings of the 3rd Korea-Japan Joint Meeting on Medical Physics and the 2nd Asia Oceania Congress of Medical Physics   94 - 96   2002

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  • ファイバーシンチレータとΔE-E検出器を用いた治療用重イオンビームの線質測定

    気仙涼子, 松藤成弘, 河野俊之, 金井達明, 平井正明, 浦壁恵理子, 西尾禎治, 小森雅孝, 佐々木瞳

    日本原子力学会2002年春の年会要旨集第1分冊   159   2002

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  • ブロードビーム重イオンCTの性能評価-2

    大野由美子, 河野俊之, 松藤成弘, 金井達明, 浦壁恵理子

    第83回日本医学物理学会大会報文集   168 - 170   2002

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  • 核破砕反応による生成粒子のプロファイルと線量の空間分布測定

    佐々木瞳, 気仙涼子, 松藤成弘, 小森雅孝, 河野俊之, 金井達明, 平井正明, 浦壁恵理子, 西尾禎治

    第83回日本医学物理学会大会報文集   59 - 61   2002

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  • Precise Measurement of Beam Energy and Range with TOF and Counter Telescope System

    S.Nanbu, T.Kanai, T.Kohno, Y.Ohno

    Proceedings of the 3rd Korea-Japan Joint Meeting on Medical Physics and the 2nd Asia Oceania Congress of Medical Physics   225 - 227   2002

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  • Beam Interlock System for Medical Accelerator Complex HIMAC

    M. Katsumata, S. Kai, T, Kondo, H. Ogawa, T. Kohno, E. Takada, M. Torikoshi, S. Yamada

    Proceedings of the 13th Symposium on Accelerator Science and Technology   408 - 410   2001

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  • Beam Interlock System for Medical Accelerator Complex HIMAC

    M. Katsumata, S. Kai, T, Kondo, H. Ogawa, T. Kohno, E. Takada, M. Torikoshi, S. Yamada

    Proceedings of the 13th Symposium on Accelerator Science and Technology   408 - 410   2001

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  • ファイバーシンチレータを用いた治療用重粒子ペンシルビーム計測システムの開発

    松藤成弘, 平井正明, 浦壁恵理子, 金井達明, 河野俊之, 気仙涼子, 西尾禎治

    日本原子力学会2001年秋の大会要旨集第1分冊   226   2001

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  • ブロードビーム重イオンCTの性能評価 - 1

    大野由美子, 河野俊之, 松藤成弘, 金井達明, 浦壁恵理子

    第82回日本医学物理学会学術大会報文集   152 - 154   2001

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  • ファイバーシンチレータを用いた位置検出器の開発

    大野由美子, 河野俊之, 松藤成弘, 金井達明, 岩田佳之

    第81回日本医学物理学会学術大会報文集   133 - 134   2001

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  • Response of multiwire proportional counter for energy loss measurement

    T Kohno, T Kiyota, N Matsufuji, Y Futami, T Kanai

    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT   450 ( 2-3 )   456 - 466   2000.8

  • Detector System for Fan Beam Heavy Ion CT

    Y.Ohno T.Kohno, N.Matsufuji, T.Kanai, S.Sakauchi, S.Tanigawa

    Proceedings of the Third Symposium on Accelerator and Related Technology for Application   115 - 118   2000

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  • Detector System for Fan Beam Heavy Ion CT

    Y.Ohno T.Kohno, N.Matsufuji, T.Kanai, S.Sakauchi, S.Tanigawa

    Proceedings of the Third Symposium on Accelerator and Related Technology for Application   115 - 118   2000

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  • Fundamental Study on Heavy Ion CT Using Pencil Beam Scanning Method

    KOHNO Toshiyuki, FUJIWARA Tomohiro, OHNO Yumiko, MATSUFUJI Naruhiro, KANAI Tatsuaki

    Japanese Journal of Medical Physics   20 ( 2 )   71 - 82   2000

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    Language:Japanese   Publisher:Japan Society of Medical Physics  

    The fea sibility of heavy ion computed tomography was investigated. A cylindrical polyethylene sample of 50 mm in diameter was used to establish the pencil beam scanning method and estimate the performance of the system. The sample was irradiated with carbon ions of 290 MeV/u and 400 MeV/u, and helium ions of 150 MeV/u. The residual beam energy was measured by a BGO scintillator in coincidence with two small plastic scintillators placed in front of and behind the sample to restrict the beam path and improve the spatial resolution in the CT reconstruction. The projection data were obtained by moving the sample only in the transverse direction because of its symmetrical structure. A Lucite sample with many holes of different diameters was used to demonstrate the spatial resolution of this CT system. From the reconstructed images the spatial resolution was estimated to be less than 2 mm under the conditions in this work. The electron density ratios of ethyl alcohol, water, and Lucite to polyethylene were obtained, which are in good agreement with the calculated values.

    DOI: 10.11323/jjmp2000.20.2_71

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  • Gross ionization cross sections for rare-gas atoms and simple molecules in 6-MeV/amu fully stripped-ion impact

    T Matsuo, T Kohno, S Makino, M Mizutani, T Tonuma, A Kitagawa, T Murakami, H Tawara

    PHYSICAL REVIEW A   60 ( 4 )   3000 - 3007   1999.10

  • The Response of a BGO Scintillator to Relativistic Heavy Ions

    M.Matsufuji, T.Kanai, H.Komami, T.Kohno

    Nuclear Instruments and Methods in Physics Research A   430 ( 1 )   60 - 68   1999

  • The Response of an NE102 Scintillator to Passing-Through Relativistic Heavy Ions

    N.Matsufuji, T.Kanai, H.Komami, T.Kohno

    Nuclear Instruments and Methods in Physics Research A   437 ( 2/3 )   346 - 353   1999

  • The Response of a BGO Scintillator to Relativistic Heavy Ions

    M.Matsufuji, T.Kanai, H.Komami, T.Kohno

    Nuclear Instruments and Methods in Physics Research A   430 ( 1 )   60 - 68   1999

  • The Response of an NE102 Scintillator to Passing-Through Relativistic Heavy Ions

    N.Matsufuji, T.Kanai, H.Komami, T.Kohno

    Nuclear Instruments and Methods in Physics Research A   437 ( 2/3 )   346 - 353   1999

  • Lifetime measurement of the (11/2(-)) isomer in Cs-125

    M Sugawara, H Kusakari, T Murakami, T Kohno

    EUROPEAN PHYSICAL JOURNAL A   2 ( 3 )   237 - 239   1998.7

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  • Development of plasma targets for interaction experiments at tokyo institute of technology

    T Hosokai, M Nakajima, O Iwase, T Nakamura, T Endou, K Fujii, T Aoki, K Horioka, T Kohno, Y Oguri, T Murakami, S Miyamoto, M Ogawa

    FUSION ENGINEERING AND DESIGN   32-33   551 - 556   1996.11

  • HIMACのインターロック・システムと安全対策

    河野俊之

    第5回粒子線の先端的応用技術に関するシンポジウム論文集   19 - 22   1994

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  • Interlock System and Related Safety Equipments for HIMAC

    TOSHIYUKI KOHNO

    Proceeding of the 5th Symposium on Beam Engineering of Advanced Material Syntheses   19 - 22   1994

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  • DOSIMETRY AND MEASURED DIFFERENTIAL W VALUES OF AIR FOR HEAVY-IONS

    T KANAI, T KOHNO, S MINOHARA, M SUDOU, E TAKADA, F SOGA, K KAWACHI, A FUKUMURA

    RADIATION RESEARCH   135 ( 3 )   293 - 301   1993.9

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  • Control System for HIMAC Synchrotron

    T.Kohno, K.Sato, E.Takada, K.Noda, A.Itano, M.Kanazawa, M.Sudou, K.Asami R.Azumaishi, Y.Morii, N.Tsuzuki, H.Narusawa, Y.Hirao

    Proceedings of the International Conference on Accelerator and Large Experimental Physics Control Systems   156 - 158   1991

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  • Control System for HIMAC Synchrotron

    T.Kohno, K.Sato, E.Takada, K.Noda, A.Itano, M.Kanazawa, M.Sudou, K.Asami R.Azumaishi, Y.Morii, N.Tsuzuki, H.Narusawa, Y.Hirao

    Proceedings of the International Conference on Accelerator and Large Experimental Physics Control Systems   156 - 158   1991

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  • LEVEL STRUCTURE AND ELECTROMAGNETIC PROPERTIES IN RA-212

    T KOHNO, M ADACHI, S FUKUDA, M TAYA, M FUKUDA, H TAKETANI, Y GONO, M SUGAWARA, Y ISHIKAWA

    PHYSICAL REVIEW C   33 ( 1 )   392 - 395   1986.1

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    Language:English   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)  

    DOI: 10.1103/PhysRevC.33.392

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  • Collective Vibrations in ^218^Ra

    Y.Gono, T.Kohno, M.Sugawara, Y.Ishikawa, M.Fukuda

    Nuclear Physics A   459 ( 2 )   427 - 437   1986

  • Collective Vibrations in ^218^Ra

    Y.Gono, T.Kohno, M.Sugawara, Y.Ishikawa, M.Fukuda

    Nuclear Physics A   459 ( 2 )   427 - 437   1986

  • G-FACTORS OF HIGH-SPIN ISOMERIC STATES IN RA-216

    M ADACHI, T KOHNO, A MAKISHIMA, S FUKUDA, M FUKUDA, M TAYA, H TAKETANI

    NUCLEAR PHYSICS A   442 ( 2 )   361 - 368   1985

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Presentations

  • 慣性静電閉じ込め核融合装置のパルス動作とその応用に関する研究

    平成15年度核融合科学研究所共同研究 研究会  2004 

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  • 慣性静電閉じ込め核融合装置のパルス動作とその応用に関する研究

    平成16年電気学会全国大会  2004 

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  • Development of IEC Proton Source for Medical Positron Emission Tomography

    6th US-Japan Workshop on IEC Fusion  2003 

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  • Pulsed Operation of Fusion Neutron Source Using Inertial Electrostatic Confinement

    26th International Conference of Phenomena in Ionized Gases  2003 

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    Presentation type:Poster presentation  

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  • Development of IEC Proton Source for Medical Positron Emission Tomography

    6th US-Japan Workshop on IEC Fusion  2003 

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  • Pulsed Operation of Fusion Neutron Source Using Inertial Electrostatic Confinement

    26th International Conference of Phenomena in Ionized Gases  2003 

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  • Electron Density Distribution by Broad Beam Heavy Ion CT System

    Proceedings of the Sixth Symposium on Accelerator and Related Technology for Application (in Japanese)  2004 

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  • Range Determination of Therapeutic Heavy Ions with Induced Beta+ Activity

    Particle Therapy Co-operative Group 42  2005 

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  • Application of MLE Method to SOBP Irradiation with ^12^C Beam

    The 4th Japan-Korea Joint Meeting on Medical Physics and the 5th Asia-Oceania Congress of Medical Physics  2005 

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  • Study on the Spatial Distribution of Fragments Produced from Heavy Ion Beams

    The 4th Japan-Korea Joint Meeting on Medical Physics and the 5th Asia-Oceania Congress of Medical Physics  2005 

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  • ブロードビーム重イオンCTシステムによる電子密度分布測定

    2004 

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  • Study on the Spatial Distribution of Fragment Particles

    Proceedings of the Eighth Symposium on Accelerator and Related Technology for Application (in Japanese)  2006 

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  • 重粒子線照射時に生じる陽電子崩壊核を利用した2次元照射野確認法

    第94回日本医学物理学会学術大会報文集  2007 

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  • 治療ビームによる中性子線量当量の角度・距離依存性

    第94回日本医学物理学会学術大会報文集  2007 

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  • 炭素線治療場における中性子線量当量測定

    第93回日本医学物理学会学術大会報文集  2007 

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  • 治療用粒子場における中性子測定と線量当量の評価

    2007 

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  • 重粒子線入射時における2層標的に対する飛程と線量分布の推定

    2007 

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  • 高エネルギー炭素線より発生するフラグメントの広がりに関する研究

    2007 

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  • 重粒子線入射時における2層標的に対する飛程と線量分布の推定

    第93回日本医学物理学会学術大会報文集  2007 

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  • 治療用粒子場でのボナー球の応答に現れるバックグラウンドの除去

    第92回日本医学物理学会学術大会  2006 

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  • 入射核破砕反応により生じる陽電子崩壊核を用いた照射野確認法の研究

    2006 

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  • 治療用高エネルギー粒子場におけるボナー球の応答特性

    2006 

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  • 高エネルギーフラグメントの空間分布モデルの研究

    2006 

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  • フラグメントの空間分布モデルの研究

    第91回日本医学物理学会学術大会  2006 

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  • 入射核破砕反応により生成された陽電子崩壊核を利用した飛程および線量分布の推定

    第91回日本医学物理学会学術大会  2006 

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  • Estimation of Range and Dose Distribution in Targets by Using Positron Emitters Induced through Projectile Fragmentation Reactions

    Proceedings of the Eighth Symposium on Accelerator and Related Technology for Application (in Japanese)  2006 

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  • Response of Bonner Sphere under Influence of High Energy Beam

    Proceedings of the Eighth Symposium on Accelerator and Related Technology for Application (in Japanese)  2006 

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  • 重イオンCTの応用研究

    第91回日本医学物理学会学術大会  2006 

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  • 高エネルギー粒子場におけるボナー球の応答特性

    第91回日本医学物理学会学術大会  2006 

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  • 入射核破砕反応を利用した飛程推定におけるFisher's informationを用いた最適核種の定量的決定

    第91回日本医学物理学会学術大会  2006 

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  • 核破砕反応により生成されるフラグメントの角度分布

    第89回日本医学物理学会学術大会  2005 

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  • Application of Broad Beam Heavy Ion CT

    The 4th Japan-Korea Joint Meeting on Medical Physics and the 5th Asia-Oceania Congress of Medical Physics  2005 

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  • Geant4による重イオンCTシミュレーション

    第89回日本医学物理学会学術大会  2005 

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  • 核破砕反応により生成される陽電子崩壊核とMLE法を用いた重粒子線飛程の推定におけるビーム種間の優劣比較

    第89回日本医学物理学会学術大会  2005 

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  • 治療用粒子場での中性子フラグメントの計測

    第89回日本医学物理学会学術大会  2005 

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  • Study on the Spatial Distribution of Fragments Produced from Heavy Ion Beams

    The 4th Japan-Korea Joint Meeting on Medical Physics and the 5th Asia-Oceania Congress of Medical Physics  2005 

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  • Application of Broad Beam Heavy Ion CT

    The 4th Japan-Korea Joint Meeting on Medical Physics and the 5th Asia-Oceania Congress of Medical Physics  2005 

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  • 重粒子線治療時に生じる陽電子崩壊核を利用した照射野および線量分布の確認

    第92回日本医学物理学会学術大会  2006 

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  • 入射核破砕反応により生成される陽電子崩壊核を用いた不均質標的に対する飛程の推定

    第92回日本医学物理学会学術大会  2006 

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  • Range Determination of Therapeutic Heavy Ions with Induced Beta+ Activity

    Particle Therapy Co-operative Group 42  2005 

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  • Application of MLE Method to SOBP Irradiation with ^12^C Beam

    The 4th Japan-Korea Joint Meeting on Medical Physics and the 5th Asia-Oceania Congress of Medical Physics  2005 

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Awards

  • 第6回日本医学物理学会論文賞

    2001   日本医学物理学会  

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    Award type:Award from Japanese society, conference, symposium, etc.  Country:Japan

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Research Projects

  • Range Monitoring by Using Positron Emitters Produced through Fragmentation Reactions in Hadron Therapy

    2004

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    Grant type:Competitive

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  • Study on Ionization Mechanism by Heavy Ion Impact

    1995

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    Grant type:Competitive

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  • Study on Heavy Ion Beam Qualities

    1995

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    Grant type:Competitive

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