Akihiro Nohtomi

Profile Information

Affiliation: Associate Professor, Department of Health Sciences, Graduate School of Medical Science, Kyushu University

Degree: 博士(工学)(九州大学)

J-GLOBAL ID: 201801016926725388
researchmap Member ID: B000327253

Research Areas

Natural sciences / Particle, nuclear, cosmic-ray, and astrophysics - experiment /

Papers

First optical observation of B-10-neutron capture reactions using a boron-added liquid scintillator for quality assurance in boron neutron capture therapy

Akihiro Nohtomi, Hideya Maeda, Naoya Sakamoto, Genichiro Wakabayashi, Takushi Takata, Yoshinori Sakurai

RADIOLOGICAL PHYSICS AND TECHNOLOGY, 15(1) 37-44, Mar, 2022 Peer-reviewed
A design study of application of the CsI self-activation method to the neutron rem-counter technique

Taishi Ueki, Akihiro Nohtomi, Genichiro Wakabayashi, Junichi Fukunaga, Toyoyuki Kato, Saiji Ohga

RADIATION MEASUREMENTS, 128, Sep, 2019
Thermal Neutron Flux Measurement by Counting Conversion Electrons from ^134mCs Generated in a CsI Scintillator

Miyu Shimazu, Genichiro Wakabayashi, Akihiro Nohtomi, Yusuke Koba, Kiyomitsu Shinsho

2018 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2018 - Proceedings, Nov, 2018 Peer-reviewed
Improvement of neutron spectrum unfolding based on three-group approximation using CsI self-activation method for evaluation of neutron dose around medical linacs

Kakino Ryo, Nohtomi Akihiro, Wakabayashi Genichiro

RADIATION MEASUREMENTS, 116 40-45, Sep, 2018 Peer-reviewed
Preliminary design study of a simple neutron energy spectrometer using a CsI self-activation method for daily QA of accelerator-based BNCT

Ryosuke Kurihara, Akihiro Nohtomi, Genichiro Wakabayashi, Yoshinori Sakurai, Hiroki Tanaka

Journal of Nuclear Science and Technology, 2018 Peer-reviewed
Shape distortion of I-128 beta(-) spectrum observed by a self-activated CsI(Tl) scintillator for high-sensitivity neutron measurements

Soichiro Honda, Akihiro Nohtomi, Keita Machidori, Genichiro Wakabayashi

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 871 148-153, Nov, 2017 Peer-reviewed
[Introduction of This Special Issue on 3D Gel Dosimeters].

Obara S, Nohtomi A

Igaku butsuri : Nihon Igaku Butsuri Gakkai kikanshi = Japanese journal of medical physics : an official journal of Japan Society of Medical Physics, 37(2) 85-88, 2017 Peer-reviewed
AN EVALUATION OF THE BASIC CHARACTERISTICS OF A PLASTIC SCINTILLATING FIBRE DETECTOR IN CT RADIATION FIELDS

Kento Terasaki, Toshioh Fujibuchi, Takatoshi Toyoda, Yutaka Yoshida, Tsutomu Akasaka, Akihiro Nohtomi, Junji Morishita

RADIATION PROTECTION DOSIMETRY, 171(4) 527-533, Dec, 2016 Peer-reviewed
An application of CCD read-out technique to neutron distribution measurement using the self-activation method with a CsI scintillator plate

Akihiro Nohtomi, Ryosuke Kurihara, Hiroyuki Kinoshita, Soichiro Honda, Masaaki Tokunaga, Heita Uno, Kiyomitsu Shinsho, Genichiro Wakabayashi, Yusuke Koba, Junichi Fukunaga …

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 832 21-23, Oct, 2016 Peer-reviewed
Accuracy of neutron self-activation method with iodine-containing scintillators for quantifying I-128 generation using decay-fitting technique

Akihiro Nohtomi, Genichiro Wakabayashi

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 800 6-11, Nov, 2015 Peer-reviewed
Distribution of residual long-lived radioactivity in the inner concrete walls of a compact medical cyclotron vault room

Toshioh Fujibuchi, Akihiro Nohtomi, Shingo Baba, Masayuki Sasaki, Isao Komiya, Yoshiyuki Umedzu, Hiroshi Honda

ANNALS OF NUCLEAR MEDICINE, 29(1) 84-90, Jan, 2015 Peer-reviewed
Applicability of self-activation of an NaI scintillator for measurement of photo-neutrons around a high-energy X-ray radiotherapy machine

Genichiro Wakabayashi, Akihiro Nohtomi, Eriko Yahiro, Toshioh Fujibuchi, Junichi Fukunaga, Yoshiyuki Umezu, Yasuhiko Nakamura, Katsumasa Nakamura, Makoto Hosono, Tetsuo Itoh

Radiological Physics and Technology, 8(1) 125-134, 2015 Peer-reviewed
[Neutron Dosimetry System Using CR-39 for High-energy X-ray Radiation Therapy].

Yabuta K, Monzen H, Tamura M, Tsuruta T, Itou T, Nohtomi A, Nishimura Y

Igaku butsuri : Nihon Igaku Butsuri Gakkai kikanshi = Japanese journal of medical physics : an official journal of Japan Society of Medical Physics, 34(3) 139-148, 2014 Peer-reviewed
[Shape of neutron energy].

Nohtomi A

Igaku butsuri : Nihon Igaku Butsuri Gakkai kikanshi = Japanese journal of medical physics : an official journal of Japan Society of Medical Physics, 32(3) 130-137, 2012 Peer-reviewed
FEASIBILITY STUDY ON USING IMAGING PLATES TO ESTIMATE THERMAL NEUTRON FLUENCE IN NEUTRON-GAMMA MIXED FIELDS

Toshioh Fujibuchi, Yu Tanabe, Takeji Sakae, Toshiyuki Terunuma, Tomonori Isobe, Hiraku Kawamura, Kiyoshi Yasuoka, Tetsuro Matsumoto, Hideki Harano, Jun Nishiyama …

RADIATION PROTECTION DOSIMETRY, 147(3) 394-400, Nov, 2011 Peer-reviewed
A method of neutron energy evaluation by using an imaging plate and cone-like acryl converters with a geometrical modulation concept

Nohtomi, A, Sugiura, N, Itoh, T, Wakabayashi, G, Sakae, T, Terunuma, T, Yabuta, K, Tamura, M, Fujibuchi, T, Takata, T …

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 633(1) 36-45, Mar, 2011 Peer-reviewed
An alternative method of neutron-gamma mixed-field dosimetry by using paired ionization chambers

Nohtomi,A, Sugiura,N, Itoh,T, Sakae,T, Terunuma,T, Fujibuchi,T

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 614(1) 159-161, Feb, 2010 Peer-reviewed
Waveform simulation based on 3D dose distribution for acoustic wave generated by proton beam irradiation

Toshiyuki Terunuma, Takeji Sakae, Yoshinori Hayakawa, Akihiro Nohtomi, Yoshihisa Takada, Kiyoshi Yasuoka, Akira Maruhashi

MEDICAL PHYSICS, 34(9) 3642-3648, Sep, 2007 Peer-reviewed
A correction factor for effects of scattered X-rays at calibration of ionization chambers in low energy X-ray standard fields

Akihiro Nohtomi, Nobuhisa Takata, Takeji Sakae

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, 44(2) 109-113, Feb, 2007 Peer-reviewed
[Present status of low energy X-ray standard at AIST and related problems].

Nohtomi A

Nihon Hoshasen Gijutsu Gakkai zasshi, 62(8) 1095-1101, Aug, 2006 Peer-reviewed

Misc.

A comparison of generating properties of 128I and 134mCs in a self-activated CsI scintillator for different energy neutron fields

KAKINO Ryo, NOHTOMI Akihiro, WAKABAYASHI Gen‐ichiro, FUKUNAGA Jun‐ichi, UMEZU Yoshiyuki, NAKAMURA Yasuhiko, OHGA Saiji

医学物理 Supplement, 37(1) 152, Apr 1, 2017
Neutron detection technique with the self-activation of a scintillator and its application

43(1) 19-23, Apr, 2017
Application of Bayes' theorem to the on-line n/γ discrimination with a recoil-proton proportional counter

43(1) 35-39, Apr, 2017
High Sensitive Neutron-detection by using a Self-activation of Iodine-containing Scintillators for the Photo-neutron Monitoring around X-ray Radiotherapy Machines

NOHTOMI Akihiro, WAKABAYASHI Genichiro, KINOSHITA Hiroyuki, HONDA Soichiro, KURIHARA Ryosuke, FUKUNAGA Junichi, UMEZU Yoshiyuki, NAKAMURA Yasuhiko, OHGA Saiji, NAKAMURA Katsumasa

JPS Conference Proceedings (Web), 11 ROMBUNNO.050002 (WEB ONLY), Nov 14, 2016
A method of neutron-energy evaluation based on the position distribution of recoil protons

NAKANISHI Daiki, NOHTOMI Akihiro, TANAKA Ryoji, WAKABAYASHI Genichiro

Prog Nucl Sci Technol (Web), 4 653-656 (WEB ONLY), Apr, 2014
A method of neutron-energy evaluation based on the position distribution of recoil protons (The 12th International Conference on Radiation Shielding (ICRS-12) and the 17th Topical Meeting of the Radiation Protection and Shielding Division of ANS (RPSD-2012)) -- (Radiation Detections and Measurements)

Progress in nuclear science and technology, 4 653-656, Apr, 2014
High sensitive neutron-detection by an NaI(Tl) scintillator with a novel self-activation method

40(1) 55-58, Mar, 2014
AN OBSERVATION OF THE PULSE-SHAPE PROPERTY OF A POLYETHYLENE-LINED PROPORTIONAL COUNTER FOR FAST NEUTRONS AND GAMMA-RAYS

NOHTOMI Akihiro, TOYOFUKU Fukai, SATO Ayaka, NAGAMINE Syuji, WAKABAYASHI Genichiro

KEK Proceedings (Web), (2013-9) 51‐62 (WEB ONLY), Jan, 2014
Study on Fundamental Properties of a PSF detector by using Monte Carlo Simulation

YAHIRO Eriko, NAKAMURA Yuichi, NAHTOMI Akihiro, TORII Tatsuo, SANADA Yukihisa, WAKABAYASHI genichiro, ITOH Tetsuo

39(1) 25-29, Sep 1, 2013
Radiation Distribution Measurement Using Plastic Scintillating Optical Fibers for Survey of Radioactive Contamination in Wide Area

ITO C., ITO K., ISHIKAWA T., YOSHIDA A., SANADA Y., TORII T., NOHTOMI A., WAKABAYASHI G., MIYAZAKI N.

39(1) 7-11, Sep 1, 2013
陽子線治療におけるイメージングプレートを利用した中性子フルエンス簡易評価法

藤淵俊王, 榮武二, 磯辺智範, 熊田博明, 照沼利之, 川村拓, 安岡聖, 松本哲郎, 原野英樹, 西山潤 …

応用物理学会学術講演会講演予稿集(CD-ROM), 71st ROMBUNNO.15A-J-6, Aug 30, 2010
An alternative method of neutron-gamma mixed-field dosimetry by using paired ionization cambers

47 21-25, 2010
DNA2重鎖切断修復におけるXRCC4のリン酸化による調節,DNA‐PKとATMの相補的役割

IMAMICHI Shoji, AONUMA Tomoichiro, FUKUDA Kenji, OKUBAYASHI Manabu, SIRAISHI Tomoko, TOKAI Akihiro, ITO Tetsuo, NOHTOMI Akihiro, SUGIURA Nobuyuki, MATSUMOTO Yoshihisa

日本放射線影響学会大会講演要旨集, 52nd 110, Nov 1, 2009
The 20th Anniversary of "Summer School on Ionizing Radiation"

NOHTOMI Akihiro

Japanese Journal of Health Physics, 43(4) 314-317, Dec, 2008
Present Status of Low Energy X-ray Standard at AIST and Related Problems

NOHTOMI Akihiro

Ionizing radiation., 33(2) 117-131, Apr 1, 2007
A correction factor for effects of scattered X-rays at calibration of ionization chambers in low energy X-ray standard fields

44 21-28, 2007
Spectroscopy of photons emitted by the discharge in gas counters

NOHTOMI Akihiro

Ionizing radiation., 32(2) 152-164, Apr 1, 2006
Verification of water-equivalent model for calculation of multiple scattering effects in simplified Monte Carlo dose calculation

R Kohno, Y Takada, T Sakae, T Terunuma, K Matsumoto, A Nohtomi, H Matsuda

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 42(6A) 3728-3729, Jun, 2003
100Mo(p, d)99Mo reaction at 21 MeV and direct reaction analysis of the low-lying continuum spectrum

S. Hirowatawari, A. Syafarudin, F. Aramaki, A. Nohtomi, G. Wakabayashi, Y. Uozumi, N. Ikeda, M. Matoba, Y. Aoki, K. Hirota …

Nuclear Physics A, 714(1-2) 3-20, Feb 10, 2003
Clinical Proton Irradiation System at New PMRC in University of Tsukuba

NOHTOMI Akihiro, SAKAE Takeji

Ionizing radiation., 28(4) 287-294, Oct 1, 2002

Books and Other Publications

放射線計測学 (医学物理学教科書)

納富昭弘

国際文献社, Mar, 2015 (ISBN: 4902590417)
放射線計測学

納冨昭弘, 日本医学物理学会

国際文献社, 2015 (ISBN: 9784902590418)

Research Projects

Development of the Direct Observation Method of Boron-dose Distribution for QA in BNCT

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2022 - Mar, 2025
Development of the self-activation organic scintillator for neutron measurement at BNCT

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2019 - Mar, 2022

Nohtomi Akihiro
Development of a simple and precise measuremernt system for the neutron dose distribution around medical linacs

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2016 - Mar, 2019

Nohtomi Akihiro
Basic study on development of easy-handling fast-neutron survey meter like as a GM tube.

Grants-in-Aid for Scientific Research, Grant-in-Aid for Challenging Exploratory Research, Japan Society for the Promotion of Science, Apr, 2013 - Mar, 2016

Nohtomi Akihiro, Wakabayashi Genichiro
Development of a quantitative x-ray imaging systemusing 3D shape measurement

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2010 - 2012

TOYOFUKU Fukai, OHKI Masafumi, ARIMURA Hidetaka, MORISHITA Junji, NOHTOMI Akihiro
Development of a new type proton irradiation system built in a rotating gantry

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2001 - 2003

MARUHASHI Akira, SAKURAI Yoshinori, NOHTOMI Akihiro, SHIOYAMA Yoshiyuki
球状マイクロソーラーセルによる医療用陽子線の線量測定に関する基礎的研究

科学研究費助成事業, 若手研究(B), 日本学術振興会, 2001 - 2002

納冨昭弘
輝尽発光現象を医療用陽子線の線量計測に応用するための基礎的研究

科学研究費助成事業, 奨励研究(A), 日本学術振興会, 1998 - 1999

納冨昭弘
Proton Dose Distribution and its Biological Effect Distribution

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 1998 - 1999

MARUHASHI Akira, NOUTOMI Akihiro, OKUMURA Toshiyuki
research on direct measurement of time series and spatial distribution of reactor noises for criticality safety

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, 1996 - 1998

MATOBA Masaru, UOZUMI Yusuke, NOHTOMI Akihiro, SHIROYA Seiji, HASHIMOTO Kengo
Development of the Monochromatic X-Ray CT system Using Fluorescent X-Rays Excited by Synchrotron Radiation

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, 1996 - 1998

TOKUMORI Kenji, TABATA Osamu, TANAKA Takemasa, MIWA Kunihiro, OHOKI Masafumi, TOYOFUKU Fukai
accurate measurement of strength function of deeply bound hole states and search for the chaotic component

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 1996 - 1998

MATOBA Masaru, UOZUMI Yusuke, NOHTOMI Akihiro, SAGARA Kenshi, AOKI Yasuo
Development of a 4pi position-sensitive detectors and a study on the measurement of nuclear-reaction cross sections induced by polarized neutrons in the energy region around MeV

Grants-in-Aid for Scientific Research, Grant-in-Aid for General Scientific Research (C), Japan Society for the Promotion of Science, 1994 - 1995

MATOBA Masaru, NOHTOMI Akihiro
Development of a SQUID-type detector and a study on systematics of neutron optical potential in the energy region from 0 to a few MeV.

Grants-in-Aid for Scientific Research, Grant-in-Aid for General Scientific Research (C), Japan Society for the Promotion of Science, 1992 - 1993

MATOBA Masaru, NOHTOMI Akihiro, UOZUMI Yusuke, SAKAE Takeji

Industrial Property Rights

WO2014-136990 シンチレータの自己放射化を用いた高感度中性子検出法

納冨昭弘, 若林源一郎, 伊藤哲夫

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