MATSUMURA Hiroshi

J-GLOBAL         Last updated: May 23, 2019 at 14:20
 
Avatar
Name
MATSUMURA Hiroshi
Affiliation
High Energy Accelerator Research Organization
Section
Applied Research Laboratory
Job title
Assistant Professor,Associate Professor
Degree
Doctor (Science)(Kanazawa University)

Research Interests

 
 

Research Areas

 
 

Academic & Professional Experience

 
2000
 - 
2002
College of Humanities and Sciences,
 
 
   
 
Nihon University
 
2002
   
 
- High Energy Accelerator Research Organization
 

Education

 
 
 - 
2000
Natural Science and Technology, Graduate School, Division of Natural Science and Technology, Kanazawa University
 
 
 - 
1995
Chemistry, Faculty of Science, Kanazawa University
 

Published Papers

 
A. Toyoda, G. Yoshida, H. Matsumura, K. Masumoto, T. Nakabayashi, T. Yagishita, H. Sasaki
Journal of Physics: Conference Series   1046    Jun 2018
© Published under licence by IOP Publishing Ltd. For decommissioning a cyclotron facility, it is important to evaluate the induced activity of the various components of the cyclotron; however, activation of the metal components has been rarely inv...
H. Matsumura, A. Toyoda, K. Masumoto, G. Yoshida, T. Yagishita, T. Nakabayashi, H. Sasaki, K. Matsumura, Y. Yamaya, Y. Miyazaki
Journal of Physics: Conference Series   1046    Jun 2018
© Published under licence by IOP Publishing Ltd. In the decommissioning work for concrete walls of PET-cyclotron rooms, an in-situ measurement is expected to be useful for obtaining a contour map of the specific activity on the walls without destr...
Akemoto Mitsuo, Arakawa Dai, Asaoka Seiji, Cenni Enrico, Egi Masato, Enami Kazuhiro, Endo Kuninori, Fukuda Shigeki, Furuya Takaaki, Haga Kaiichi, Hajima Ryoichi, Hara Kazufumi, Harada Kentaro, Honda Tohru, Honda Yosuke, Honma Teruya, Hosoyama Kenji, Kako Eiji, Katagiri Hiroaki, Kawata Hiroshi, Kobayashi Yukinori, Kojima Yuuji, Kondou Yoshinari, Tanaka Olga, Kume Tatsuya, Kuriki Masao, Matsumura Hiroshi, Matsushita Hideki, Michizono Shinichiro, Miura Takako, Miyajima Tsukasa, Nagahashi Shinya, Nagai Ryoji, Nakai Hirotaka, Nakajima Hiromitsu, Nakamura Norio, Nakanishi Kota, Nigorikawa Kazuyuki, Nishimori Nobuyuki, Nogami Takashi, Noguchi Shuichi, Obina Takashi, Qiu Feng, Sagehashi Hidenori, Sakai Hiroshi, Sakanaka Shogo, Sasaki Shinichi, Satoh Kotaro, Sawamura Masaru, Shimada Miho, Shinoe Kenji, Shishido Toshio, Tadano Mikito, Takahashi Takeshi, Takai Ryota, Takenaka Tateru, Tanimoto Yasunori, Uchiyama Takashi, Ueda Akira, Umemori Kensei, Watanabe Ken, Yamamoto Masahiro
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT   877 197-219   Jan 2018   [Refereed]
Hideo Hirayama, Hiroshi Matsumura, Yoshihito Namito, Toshiya Sanami
Transactions of the Atomic Energy Society of Japan   16 1-14   Jan 2017
© 2017 Atomic Energy Society of Japan,. The Xe-135, I-131, I-132, I-133 and Te-132 concentrations in plumes at the monitoring posts in Fukushima prefecture in March 2011 were estimated using the pulse height distribution obtained from a NaI (Tl) d...
Matsumura Hiroshi, Nakamura Hajime, Toyoda Akihiro, Hozumi Ken-ichi, Sakai Hiroshi, Enami Kazuhiro, Furuya Takaaki, Shinoe Kenji, Umemori Kensei, Haga Kaiichi, Sakanaka Shogo, Sawamura Masaru, Cenni Enrico
ICRS-13 & RPSD-2016, 13TH INTERNATIONAL CONFERENCE ON RADIATION SHIELDING & 19TH TOPICAL MEETING OF THE RADIATION PROTECTION AND SHIELDING DIVISION OF THE AMERICAN NUCLEAR SOCIETY - 2016   153    2017   [Refereed]
Seiji Hosoya, Seiji Hosoya, Kimikazu Sasa, Kimikazu Sasa, Tetsuya Matsunaka, Tetsuya Matsunaka, Tsutomu Takahashi, Masumi Matsumura, Hiroshi Matsumura, Mark Sundquist, Mark Stodola, Keisuke Sueki, Keisuke Sueki
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms      Aug 2016
© 2017 Elsevier B.V. A series of nuclides ( 14 C, 26 Al, and 36 Cl) was measured using the 12UD Pelletron tandem accelerator before replacement by the horizontal 6MV tandem accelerator at the University of Tsukuba Tandem Accelerator Complex (UTT...
T. Obina, M. Adachi, S. Adachi, T. Akagi, M. Akemoto, D. Arakawa, S. Araki, S. Asaoka, M. Egi, K. Enami, K. Endo, S. Fukuda, T. Furuya, K. Haga, K. Hara, K. Harada, T. Honda, Y. Honda, H. Honma, T. Honma, K. Hosoyama, K. Hozumi, A. Ishii, X. Jin, E. Kako, Y. Kamiya, H. Katagiri, H. Kawata, Y. Kobayashi, Y. Kojima, Y. Kondou, T. Konomi, A. Kosuge, T. Kume, T. Matsumoto, H. Matsumura, H. Matsushita, S. Michizono, T. Miura, T. Miyajima, H. Miyauchi, S. Nagahashi, H. Nakai, H. Nakajima, N. Nakamura, K. Nakanishi, K. Nakao, K. Nigorikawa, T. Nogami, S. Noguchi, S. Nozawa, T. Ozaki, F. Qiu, H. Sagehashi, H. Sakai, S. Sakanaka, S. Sasaki, K. Satoh, Y. Seimiya, T. Shidara, M. Shimada, K. Shinoe, T. Shioya, T. Shishido, M. Tadano, T. Tahara, T. Takahashi, R. Takai, H. Takaki, T. Takenaka, O. Tanaka, Y. Tanimoto, N. Terunuma, M. Tobiyama, K. Tsuchiya, T. Uchiyama, A. Ueda, K. Umemori, J. Urakawa, K. Watanabe, M. Yamamoto, N. Yamamoto, Y. Yamamoto, Y. Yano, M. Yoshida, R. Hajima, M. Mori, R. Nagai, N. Nishimori, M. Sawamura, T. Shizuma, M. Kuriki
IPAC 2016 - Proceedings of the 7th International Particle Accelerator Conference   1835-1838   Jan 2016
Copyright © 2016 CC-BY-3.0 and by the respective authors. The Compact Energy Recovery Linac (cERL) at KEK is a test accelerator to develop critical components of future light sources. After beam studies on beam dynamics and survey for beam losses,...
H. Matsumura, A. Toyoda, S. Sakanaka, K. Haga, T. Obina, T. Miura, K. Hozumi, S. Nagaguro, T. Oyama, N. Yoshihara
IPAC 2016 - Proceedings of the 7th International Particle Accelerator Conference   2711-2714   Jan 2016
Copyright © 2016 CC-BY-3.0 and by the respective authors. To increase the beam current in the Compact Energy Recovery Linac (cERL) at the High Energy Accelerator Research Organization (KEK), the beam loss must be reduced to less than 0.01% during ...
S. Sakanaka, K. Haga, Y. Honda, H. Matsumura, T. Miyajima, T. Nogami, T. Obina, H. Sagehashi, M. Shimada, M. Yamamoto
IPAC 2016 - Proceedings of the 7th International Particle Accelerator Conference   1839-1842   Jan 2016
Copyright © 2016 CC-BY-3.0 and by the respective authors. The compact ERL (cERL) [1, 2] at KEK is a superconducting accelerator aimed at demonstrating ERL technologies for the future light source. In cERL, low-emittance and high-average-current el...
S. Sekimoto, S. Okumura, S. Okumura, H. Yashima, Y. Matsushi, H. Matsuzaki, H. Matsumura, A. Toyoda, K. Oishi, N. Matsuda, Y. Kasugai, Y. Sakamoto, H. Nakashima, D. Boehnlein, R. Coleman, G. Lauten, A. Leveling, N. Mokhov, E. Ramberg, A. Soha, K. Vaziri, K. Ninomiya, T. Omoto, T. Shima, N. Takahashi, A. Shinohara, M. W. Caffee, M. W. Caffee, K. C. Welten, K. Nishiizumi, S. Shibata, T. Ohtsuki
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms   361 685-688   Oct 2015
© 2015 Elsevier B.V. All rights reserved. The production cross sections of 10 Be and 26 Al were measured by accelerator mass spectrometry using 89 Y, 159 Tb, and nat Cu targets bombarded by protons with energies E p of 120 GeV and 392 MeV. T...
Y. Arimoto, N. Higashi, Y. Igarashi, Y. Iwashita, T. Ino, R. Katayama, M. Kitaguchi, R. Kitahara, H. Matsumura, K. Mishima, N. Nagakura, H. Oide, H. Otono, R. Sakakibara, T. Shima, H. M. Shimizu, T. Sugino, N. Sumi, H. Sumino, K. Taketani, G. Tanaka, M. Tanaka, K. Tauchi, A. Toyoda, T. Tomita, T. Yamada, S. Yamashita, H. Yokoyama, T. Yoshioka
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment   799 187-196   Aug 2015
© 2015 Elsevier B.V. All rights reserved. A new time projection chamber (TPC) was developed for neutron lifetime measurement using a pulsed cold neutron spallation source at the Japan Proton Accelerator Research Complex (J-PARC). Managing consider...
S. Sakanaka, M. Adachi, S. Adachi, T. Akagi, M. Akemoto, D. Arakawa, S. Araki, S. Asaoka, K. Enami, K. Endo, S. Fukuda, T. Furuya, K. Haga, K. Hara, K. Harada, T. Honda, Y. Honda, H. Honma, T. Honma, K. Hosoyama, K. Hozumi, A. Ishii, X. Jin, E. Kako, Y. Kamiya, H. Katagiri, H. Kawata, Y. Kobayashi, Y. Kojima, Y. Kondou, A. Kosuge, T. Kume, T. Matsumoto, H. Matsumura, H. Matsushita, S. Michizono, T. Miura, T. Miyajima, H. Miyauchi, S. Nagahashi, H. Nakai, H. Nakajima, N. Nakamura, K. Nakanishi, K. Nakao, K. Nigorikawa, T. Nogami, S. Noguchi, S. Nozawa, T. Obina, T. Ozaki, F. Qiu, H. Sagehashi, H. Sakai, S. Sasaki, K. Satoh, M. Satoh, T. Shidara, M. Shimada, K. Shinoe, T. Shioya, T. Shishido, M. Tadano, T. Tahara, T. Takahashi, R. Takai, H. Takaki, T. Takenaka, O. Tanaka, Y. Tanimoto, N. Terunuma, M. Tobiyama, K. Tsuchiya, T. Uchiyama, A. Ueda, K. Umemori, J. Urakawa, K. Watanabe, M. Yamamoto, Y. Yamamoto, Y. Yano, M. Yoshida, R. Hajima, S. Matsuba, M. Mori, R. Nagai, N. Nishimori, M. Sawamura, T. Shizuma, M. Kuriki, Y. Seimiya, E. Cenni, J. G. Hwang
6th International Particle Accelerator Conference, IPAC 2015   1359-1362   Jan 2015
Copyright © 2015 CC-BY-3.0 and by the respective authors. The Compact Energy Recovery Linac (cERL) is a superconducting test accelerator aimed at establishing technologies for the ERL-based future light source. After its construction during 2009 t...
K. Bessho, H. Matsumura, A. Takahashi, K. Masumoto
Journal of Radioanalytical and Nuclear Chemistry   303 1719-1725   Jan 2015
© 2014, Akadémiai Kiadó, Budapest, Hungary. The behavior of radionuclides in the cooling water for the electromagnets at the 12 GeV proton accelerator facility was studied by measuring γ-ray spectra of the cooling water and the ion-exchange unit i...
Kenjiro Kondo, Hideo Hirayama, Masafumi Taira, Hiroshi Matsumura, Hiroshi Iwase, Shinichi Sasaki
Transactions of the Atomic Energy Society of Japan   14 151-160   Jan 2015
© 2015 Atomic Energy Society of Japan, All Rights Reserved. Strontium-90/Y-90 are major radionuclides observed in the water samples tested recently at the site of the Fukushima Daiichi Nuclear Power Station of Tokyo Electric Power Company. A simpl...
Kotaro Bessho, Yuichi Oki, Naoya Akimune, Hiroshi Matsumura, Kazuyoshi Masumoto, Shun Sekimoto, Naoyuki Osada, Norikazu Kinoshita, Hideaki Monjushiro, Seiichi Shibata
Journal of Radioanalytical and Nuclear Chemistry   303 1117-1121   Jan 2015
© 2014, Akadémiai Kiadó, Budapest, Hungary. Radiation effects of photons on corrosion and colloid formation of copper (Cu) in water were investigated as a model for the cooling water for electromagnets at accelerator facilities. Irradiation experi...
Hideo Hirayama, Kenjiro Kondo, Yasuhiro Unno, Hiroshi Matsumura, Hiroshi Iwase, Akira Yunoki, Shinichi Sasaki
Transactions of the Atomic Energy Society of Japan   14 141-150   Jan 2015
© 2015 Atomic Energy Society of Japan, All Rights Reserved. A rapid and simple method to measure the concentration of < sup > 90 < /sup > Sr in water by measuring β-rays from < sup > 90 < /sup > Y was presented. Under the situation that < sup >...
Hiroshi Matsumura, Shun Sekimoto, Y. Kasugai, Y. Kasugai, Y. Kasugai, Y. Kasugai, Y. Kasugai, H. Yashima, H. Yashima, H. Yashima, H. Yashima, H. Yashima, A. Toyoda, A. Toyoda, A. Toyoda, A. Toyoda, A. Toyoda, N. Matsuda, N. Matsuda, N. Matsuda, N. Matsuda, N. Matsuda, K. Bessho, K. Bessho, K. Bessho, K. Bessho, K. Bessho, N. Mokhov, N. Mokhov, N. Mokhov, N. Mokhov, N. Mokhov, A. Leveling, A. Leveling, A. Leveling, A. Leveling, A. Leveling, D. Boehnlein, D. Boehnlein, D. Boehnlein, D. Boehnlein, D. Boehnlein, G. Lauten, G. Lauten, G. Lauten, G. Lauten, G. Lauten, W. Schmitt, W. Schmitt, W. Schmitt, W. Schmitt, W. Schmitt, K. Oishi, K. Oishi, K. Oishi, K. Oishi, K. Oishi, Y. Sakamoto, Y. Sakamoto, Y. Sakamoto, Y. Sakamoto, Y. Sakamoto, H. Nakashima, H. Nakashima, H. Nakashima, H. Nakashima, H. Nakashima
Transactions of the American Nuclear Society   112 13-16   Jan 2015
Water samples were collected from five cooling water systems for the NuMI beamline and from three cooling water systems for the antiproton production target station immediately after the shutdown of the accelerators for maintenance. Then, the coll...
Hideo Hirayama, Hiroshi Matsumura, Yoshihito Namito, Toshiya Sanami
Transactions of the Atomic Energy Society of Japan   14 1-11   Jan 2015
© 2015 Atomic Energy Society of Japan, All Rights Reserved. Time histories of the I-131 concentration in air at monitoring posts in Fukushima prefecture in March 2011 were estimated using the pulse height distribution of a NaI (Tl) detector, which...
HIRAYAMA Hideo, KONDO Kenjiro, UNNO Yasuhiro, MATSUMURA Hiroshi, IWASE Hiroshi, YUNOKI Akira, SASAKI Shinichi
Transactions of the Atomic Energy Society of Japan   14(3) 141-150   2015
A rapid and simple method to measure the concentration of 90Sr in water by measuring β-rays from 90Y was presented. Under the situation that 90Sr/90Y, 134Cs and 137Cs are the main r...
Colloid Rates of Radionuclides in Cooling Water of the 120-GeV Proton Accelerator Facilities at Fermilab
Hiroshi Matsumura, Shun Sekimoto, and the JASMIN collaborators
Transactions of the American Nuclear Society   112 13-18   2015
平山 英夫, 川崎 将亜, 松村 宏
日本原子力学会和文論文誌   13(3) 119-126   Sep 2014
N. Nakamura, M. Adachi, S. Adachi, M. Akemoto, D. Arakawa, S. Asaoka, K. Enami, K. Endo, S. Fukuda, T. Furuya, K. Haga, K. Hara, K. Harada, T. Honda, Y. Honda, H. Honma, T. Honma, K. Hosoyama, K. Hozumi, A. Ishii, X. Jin, E. Kako, Y. Kamiya, H. Katagiri, H. Kawata, Y. Kojima, Y. Kobayashi, Y. Kondo, O. A. Konstantinova, T. Kume, T. Matsumoto, H. Matsumura, H. Matsushita, S. Michizono, T. Miura, T. Miyajima, H. Miyauchi, S. Nagahashi, H. Nakai, H. Nakajima, K. Nakanishi, K. Nakao, K. Nigorikawa, T. Nogami, S. Noguchi, S. Nozawa, T. Obina, T. Ozaki, F. Qiu, H. Sagehashi, H. Sakai, S. Sasaki, S. Sakanaka, K. Satoh, M. Satoh, T. Shidara, M. Shimada, K. Shinoe, T. Shioya, T. Shishido, M. Tadano, T. Tahara, T. Takahashi, R. Takai, H. Takaki, T. Takenaka, Y. Tanimoto, M. Tobiyama, K. Tsuchiya, T. Uchiyama, A. Ueda, K. Umemori, K. Watanabe, M. Yamamoto, Y. Yamamoto, Y. Yano, M. Yoshida, E. Cenni, R. Hajima, S. Matsuba, R. Nagai, N. Nishimori, M. Sawamura, T. Shizuma, M. Kuriki, Y. Seimiya, J. G. Hwang
IPAC 2014: Proceedings of the 5th International Particle Accelerator Conference   353-355   Jan 2014
Copyright © 2014 CC-BY-3.0 and by the respective authors. The recirculation loop of the Compact ERL (cERL) was constructed from July to November in 2013 after commissioning of the injector. Then commissioning of the entire cERL was started in Dece...
Hiroshi Matsumura, Shun Sekimoto, Yoshimi Kasugai, Hiroshi Yashima, Akihiro Toyoda, Norihiro Matsuda, Kotaro Bessho, Nikolai Mokhov, Anthony Leveling, David Boehnlein, Gary Lauten, Wayne Schmitt, Koji Oishi, Yukio Sakamoto, Hiroshi Nakashima
18th Topical Meeting of the Radiation Protection and Shielding Division of ANS, RPSD 2014   310-313   Jan 2014
Hideo Hirayama, Masatsugu Kawasaki, Hiroshi Matsumura, Takehisa Ohkura, Yoshihito Namito, Toshiya Sanami, Mitsumasa Taki, Tetsuya Oishi, Michio Yoshizawa
Transactions of the Atomic Energy Society of Japan   13 119-126   Jan 2014
© 2014 Atomic Energy Society of Japan, All Rights Reserved. A method of deducing the I-131 concentration in a radioactive plume from the time history of peak count rates determined from pulse height spectra obtained from an NaI (Tl) scintillation ...
H. Yashima, S. Sekimoto, K. Ninomiya, Y. Kasamatsu, T. Shima, N. Takahashi, A. Shinohara, H. Matsumura, D. Satoh, Y. Iwamoto, M. Hagiwara, K. Nishiizumi, M. W. Caffee, S. Shibata
Radiation Protection Dosimetry   161 139-143   Jan 2014
© The Author 2013. Neutron activation cross sections for Bi and Co at 386 MeV were measured by activation method. A quasi-monoenergetic neutron beam was produced using the 7 Li(p,n) reaction. The energy spectrum of these neutrons has a high-energ...
H. Matsumura, S. Sekimoto, H. Yashima, A. Toyoda, Y. Kasugai, N. Matsuda, K. Oishi, K. Bessho, Y. Sakamoto, H. Nakashima, D. Boehnlein, G. Lauten, A. Leveling, N. Mokhov, K. Vaziri
Progress in Nuclear Science and Technology   4 372-375   2014   [Refereed]
H. Matsumura, N. Matsuda, Y. Kasugai, A. Toyoda, H. Yashima, S. Sekimoto, H. Iwase, K. Oishi, Y. Sakamoto, H. Nakashima, A. Leveling, D. Boehnlein, G. Lauten, N. Mokhov, and K. Vaziri
Nuclear Data Sheets   120 219-221   2014   [Refereed]
Hideo Hirayama, Hiroshi Matsumura, Yoshihito Namito, Toshiya Sanami
Transactions of the Atomic Energy Society of Japan   12 304-310   Dec 2013
A method was presented to estimate radionuclide concentration in plume using the pulse height distribution measured by a LaBr 3 scintillation detector and its calculated response to radionuclides in plume with egs5. Radionuclide concentration was...
S. Sakanaka, S. Adachi, M. Akemoto, D. Arakawa, S. Asaoka, K. Enami, K. Endo, S. Fukuda, T. Furuya, K. Haga, K. Hara, K. Harada, T. Honda, Y. Honda, H. Honma, T. Honma, K. Hosoyama, K. Hozumi, E. Kako, H. Katagiri, H. Kawata, Y. Kobayashi, Y. Kojima, Y. Kondo, T. Kume, T. Matsumoto, H. Matsumura, H. Matsushita, S. Michizono, T. Miura, T. Miyajima, S. Nagahashi, H. Nakai, H. Nakajima, N. Nakamura, K. Nakanishi, K. Nakao, K. Nigorikawa, T. Nogami, S. Noguchi, S. Nozawa, T. Obina, T. Ozaki, F. Qiu, H. Sagehashi, H. Sakai, S. Sasaki, K. Satoh, M. Satoh, T. Shidara, M. Shimada, K. Shinoe, T. Shioya, T. Shishido, M. Tadano, T. Takahashi, R. Takai, T. Takenaka, Y. Tanimoto, M. Tobiyama, K. Tsuchiya, T. Uchiyama, A. Ueda, K. Umemori, K. Watanabe, M. Yamamoto, Y. Yamamoto, Y. Yano, M. Yoshida, E. Cenni, R. Hajima, S. Matsuba, R. Nagai, N. Nishimori, M. Sawamura, T. Shizuma, H. Takaki, M. Kuriki, H. Iijima
IPAC 2013: Proceedings of the 4th International Particle Accelerator Conference   2159-2161   Dec 2013
The 35-MeV Compact Energy Recovery Linac (cERL) is a superconducting test accelerator for the future 3-GeV ERL project (PEARL) at KEK. During the past year, we have finished key devices such as a 500-kV DC photocathode electron gun and 1.3-GHz sup...
Design for radiation protection of compact ERL in KEK
H. Matsumura, K. Hozumi, Haga, and S. Sakanaka
Proceedings of Seventh International Workshop on Radiation Safety at Synchrotron Radiation Sources (RadSynch13) at the National Synchrotron Light Source, Brookhaven National Laboratory, Upton, NY 11973 USA      May 2013
Y. Satoh, Y. Matsuda, T. Yoshiie, M. Kawai, H. Matsumura, H. Iwase, H. Abe, S. W. Kim, T. Matsunaga
Journal of Nuclear Materials   442    Feb 2013
Fcc pure metals were irradiated with spallation neutrons (energies up to 500 MeV) at room temperature to a neutron fluence of 1 × 10 18 n m -2 at KENS, High Energy Accelerator Research Organization (KEK). Defect clusters induced by large collisi...
S. Sekimoto, T. Omoto, H. Joto, T. Utsunomiya, H. Yashima, K. Ninomiya, K. C. Welten, M. W. Caffee, Y. Matsushi, H. Matsuzaki, R. Nakagaki, T. Shima, N. Takahashi, A. Shinohara, H. Matsumura, D. Satoh, Y. Iwamoto, M. Hagiwara, K. Nishiizumi, S. Shibata
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms   294 475-478   Jan 2013
The production cross sections of 10 Be, 26 Al and 36 Cl produced from Cu and Y targets irradiated with 300 MeV protons were measured by accelerator mass spectrometry. Using these cross section values in conjunction with those of the spallation ...
Hiroshi Matsumura, Shun Sekimoto, Hiroshi Yashima, Akihiro Toyoda, Yoshimi Kasugai, Norihiro Matsuda, Koji Oishi, Kotaro Bessho, Yukio Sakamoto, Hiroshi Nakashima, David Boehnlein, Gary Lautenschlager, Anthony Leveling, Nikolai Mokhov, Kamran Vaziri
Progress in Nuclear Science and Technology   3 127-130   2012   [Refereed]
S. Sekimoto, T. Utsunomiya, H. Yashima, H. Joto, S. Shibata, K. Ninomiya, D. Satoh, Y. Iwamoto, T. Omoto, R. Nakagaki, N. Takahashi, A. Shinohara, T. Shima, M. Hagiwara, H. Matsumura, K. Nishiizumi, Y. Matsushi, Y. Matsushi, H. Matsuzaki
Journal of the Korean Physical Society   59 1916-1919   Aug 2011
Reaction cross sections for Cr induced by neutrons at 287 MeV were measured by using 7 Li(p,n) reaction at N0 beam line in the Research Center for Nuclear Physics (RCNP), Osaka University. To estimate quasi-monoenergetic neutron-induced cross sec...
K. Sasa, T. Takahashi, Y. Nagashima, Y. Tosaki, N. Kinoshita, K. Sueki, H. Matsumura, K. Bessho, Y. Matsushi
IPAC 2010 - 1st International Particle Accelerator Conference   223-225   Dec 2010
Accelerator Mass Spectrometry (AMS) is a highly sensitive mass spectrometric method for measuring rare isotopes. The technique is mainly applied in chronology, earth and environmental sciences to date samples using long-lived radioisotopes. With a...
Yuki Tosaki, Gudrun Massmann, Norio Tase, Kimikazu Sasa, Tsutomu Takahashi, Yuki Matsushi, Michiko Tamari, Yasuo Nagashima, Kotaro Bessho, Hiroshi Matsumura
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms   268 1261-1264   Apr 2010
Distribution of 36 Cl/Cl ratios in a river-recharged aquifer was investigated in the Oderbruch area, northeastern Germany. The aquifer is confined up to 3.5-4 km inland, where it changes to an unconfined condition. The 36 Cl/Cl ratios in the con...
DEPTH PROFILE OF RADIOACTIVITY INDUCED IN THE THICK CONCRETE SHIELD IN EP1 BEAM LINE AT THE KEK 12-GeV PROTON SYNCHROTRON FACILITY
Kinoshita Norikazu, Matsumura Hiroshi, Bessho Kotaro, Toyoda Akihiro, Masumoto Kazuyoshi, Matsushi Yuki, Sasa Kimikazu, Takahashi Tsutomu, Mihara Shozo, Oki Toshiyuki, Matsumura Masumi, Tosaki Yuki, Sueki Keisuke, Tamari Michiko, Nagashima Yasuo
NUCLEAR TECHNOLOGY   168(3) 694-699   Dec 2009   [Refereed]
Qing Bin Wang, Qian Wang, K. Masumoto, K. Bessho, H. Matsumura, T. Miura, T. Sshibata
Yuanzineng Kexue Jishu/Atomic Energy Science and Technology   42 465-469   May 2008
An infrared furnace (ULVAC RHL-410P) was newly applied to the extraction of tritium from concrete samples. After studying the tritium recovery yield regarding temperature and time, the best extraction conditions were set to 800°C for 30 min under ...
Q. B. Wang, K. Masumoto, K. Bessho, H. Matsumura, T. Miura, T. Shibata
Journal of Radioanalytical and Nuclear Chemistry   273 55-58   Jul 2007
For evaluation of radioactivity induced in the concrete samples from accelerator facilities, the residual radioactivity in concrete sample, collected from seven accelerator facilities, was determined by γ-ray spectrometry. The tritium was extracte...
Takahiro Aze, Hiroyuki Matsuzaki, Hiroshi Matsumura, Hisao Nagai, Masatsugu Fujimura, Mayumi Noguchi, Yayoi Hongo, Yusuke Yokoyama, Yusuke Yokoyama
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms   259 144-148   Jun 2007
We developed and experimentally confirmed a Monte Carlo simulation code to describe the trajectories of 36 Cl and 36 S ions in a gas-filled magnet (GFM) at the MALT, the University of Tokyo. The simulation revealed that the central trajectories ...
Kimikazu Sasa, Yasuo Nagashima, Tsutomu Takahashi, Riki Seki, Yuki Tosaki, Keisuke Sueki, Kotaro Bessho, Hiroshi Matsumura, Taichi Miura, Ming He
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms   259 41-46   Jun 2007
With the current AMS system on the 12UD Pelletron tandem accelerator at the University of Tsukuba, we are able to measure the long-lived radioisotopes of 14 C, 26 Al, 36 Cl and 129 I by employing a molecular pilot beam method that stabilizes t...
R. Seki, T. Matsuhiro, Y. Nagashima, T. Takahashi, K. Sasa, K. Sueki, Y. Tosaki, K. Bessho, H. Matsumura, T. Miura
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms   259 486-490   Jun 2007
We have measured the 36 Cl/Cl ratio of uncultivated surface soil samples collected from 11 areas distributed throughout Japan to determine the undisturbed value of the ratio. The ratio was found to be on the order of 10 -13 except for the Tokai-...
Yasuo Nagashima, Riki Seki, Kimikazu Sasa, Takeshi Matsuhiro, Tsutomu Takahashi, Yuki Tosaki, Kotaro Bessho, Hiroshi Matsumura, Taichi Miura
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms   259 241-245   Jun 2007
An 129 I-AMS system has been developed on the 12UD tandem accelerator at the Tandem Accelerator Complex, University of Tsukuba using a 97 Mo 16 O 2 molecular pilot beam method developed at the complex. The acceleration voltage of the tandem is ...
Yuki Tosaki, Yuki Tosaki, Norio Tase, Gudrun Massmann, Yasuo Nagashima, Riki Seki, Tsutomu Takahashi, Kimikazu Sasa, Keisuke Sueki, Takeshi Matsuhiro, Taichi Miura, Kotaro Bessho, Hiroshi Matsumura, Ming He
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms   259 479-485   Jun 2007
The 36 Cl/Cl ratios of groundwater samples were measured by accelerator mass spectrometry (AMS) in order to investigate the potential use of 36 Cl as a dating tool for modern groundwater. Groundwater samples were obtained from several piezometer...
K. Bessho, H. Matsumura, T. Miura, Q. Wang, K. Masumoto, H. Hagura, Y. Nagashima, R. Seki, T. Takahashi, K. Sasa, K. Sueki, T. Matsuhiro, Y. Tosaki
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms   259 702-707   Jun 2007
The thermal neutron fluence that poured into the shielding concrete of proton accelerator facilities was estimated from the in situ production of 36 Cl. The thermal neutron fluences at concrete surfaces during 10-30 years of operation were in the...
Qing Bin Wang, Tie Hui Li, K. Masumoto, H. Matsumura, T. Shibata
Yuanzineng Kexue Jishu/Atomic Energy Science and Technology   40 650-653   Nov 2006
The spatial distribution of neutrons inside the concrete shield of KENS was measured by the combined use of activation detectors and an imaging plate. Aluminium and gold foils were used for neutron fluence measurements of both high-energy and ther...
Noriaki Nakao, Noriaki Nakao, H. Yashima, H. Yashima, M. Kawai, K. Oishi, H. Nakashima, K. Masumoto, H. Matsumura, S. Sasaki, M. Numajiri, T. Sanami, Q. Wang, A. Toyoda, K. Takahashi, K. Iijima, K. Eda, S. Ban, H. Hirayama, S. Muto, T. Nunomiya, S. Yonai, D. R.H. Rasolonjatovo, K. Terunuma, K. Yamauchi, P. K. Sarkar, E. Kim, T. Nakamura, A. Maruhashi, A. Maruhashi
Radiation Protection Dosimetry   116 553-557   Dec 2005
An irradiation field of high-energy neutrons produced in the forward direction from a thick tungsten target bombarded by 500 MeV protons was arranged at the KENS spallation neutron source facility. In this facility, shielding experiment was perfor...
Hiroshi Matsumura, Hiroshi Matsumura, Takahiro Aze, Yasuji Oura, Hidetoshi Kikunaga, Akihiko Yokoyama, Koichi Takamiya, Seiichi Shibata, Tsutomu Otsuki, Hideyuki Yuki, Koh Sakamoto, Hiromitsu Haba, Koshin Washiyama, Hisao Nagai, Hiroyuki Matsuzaki
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms   223-224 807-811   Aug 2004
The yields of 7 Be and 10 Be produced by bremsstrahlung having a maximum energy (E 0 ) of 200 MeV in nat Cu, nat Ag and 197 Au targets were investigated by the AMS technique at MALT of the University of Tokyo. It was found that the yields at ...
Hisao Nagai, Wataru Tada, Hiroshi Matsumura, Hiroshi Matsumura, Takahiro Aze, Mayumi Noguchi, Hiroyuki Matsuzaki
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms   223-224 237-241   Aug 2004
Measurement of 7 Be by AMS was developed with the MALT 5UD Pelletron at the University of Tokyo. 7 Be 16 O - and 9 Be 16 O - negative ions were injected sequentially to the accelerator at a terminal voltage of 4.8 MV, and after passing throug...
Noriaki Nakao, Hiroshi Yashima, Masayoshi Kawai, Koji Oism, Hiroshi Nakashima, Shin Ichi Sasaki, Kazuyoshi Masumoto, Masaharu Numajiri, Toshiya Sanami, Hiroshi Matsumura, Qingbin Wang, Akihiro Toyoda, Kazuhiko Iijima, Kazutoshi Takahashi, Syuichi Bani, Hideo Hirayama, Suguru Muto, Tomoya Nunomiya, Shunsuke Yonai, Danielle R H Rasolonjatovo, Kazutaka Terunuma, Takashi Nakamura, Eunjoo Kim, Pradip K. Sarkar, Pradip K. Sarkar, Akira Maruhashi
Journal of Nuclear Science and Technology   41 22-25   Jan 2004
A high-energy neutron irradiation room was arranged at the KENS spallation neutron source facility for studies of shielding, activation and radiation damage of materials. In this room, a high-energy neutron source produced in the forward directio...
H. Haba, M. Kasaoka, M. Igarashi, K. Sakamoto, K. Washiyama, H. Matsumura, Y. Oura, S. Shibata, M. Furukawa, I. Fujiwara
Radiochimica Acta   90 371-382   Jan 2002
The reaction yields of 63 radionuclides with the mass number A = 56 - 135 produced in the photofission of 209 Bi by bremsstrahlung of end-point energies (E 0 ) from 450 to 1100 MeV have been measured using a catcher foil technique with the aid of...
H. Matsumura, K. Washiyama, H. Haba, Y. Miyamoto, Y. Oura, K. Sakamoto, S. Shibata, M. Furukawa, I. Fujiwara, H. Nagai, T. Kobayashi, K. Kobayashi
Radiochimica Acta   88 313-328   Jan 2000
Yields of 7 Be, 10 Be, 22 Na, 24 Na and 28 Mg produced from (nat)B, (nat)C, (nat)O, 23 Na, 27 Al, (nat)Si, (nat)S, (nat)Cl, (nat)K, (nat)Ca, (nat)V, 55 Mn, (nat)Fe, 59 Co, (nat)Ni, (nat)Cu, 89 Y, (nat)Ag, (nat)In, 141 Pr, 159 Tb, 165 ...
H. Haba, H. Matsumura, K. Sakamoto, K. Sakamoto, Y. Oura, S. Shibata, M. Furukawa, I. Fujiwara
Radiochimica Acta   85 1-7   Dec 1999
Recoils of 24 Na produced in photonuclear reaction on 27 Al by bremsstrahlung of end-point energies (E 0 ) from 60 to 1100 MeV have been investigated using the thick-target thick-catcher method. Experimental results were analyzed by the two-step...
Koh Sakamoto, Samir Ranjan Sarkar, Yasuji Oura, Hiromitsu Haba, Hiroshi Matsumura, Yutaka Miyamoto, Seiichi Shibata, Michiaki Furukawa, Ichiro Fujiwara
Physical Review C - Nuclear Physics   59 1497-1505   Mar 1999
Radiochemical measurements of the product yields from (γ, π + ) and (γ, π - xn) reactions for x = 0-9 were performed on targets of 27 Al, 37 Cl, 41 K, 51 V, 59 Co, 65 Cu, 75 As, 87 Rb, 88 Sr, 109 Ag, 115 In, 133 Cs, 138 Ba, 139 La, ...
Seiichi Shibata, Seiichi Shibata, Mineo Imamura, Mineo Imamura, Koh Sakamoto, Shohei Okizaki, Sanae Shibutani, Hiroshi Matsumura, Michiaki Furukawa, Ichiro Fujiwara, Hisao Nagai, Koichi Kobayashi
Radiochimica Acta   80 181-187   Dec 1998
The yields of 7 Be and 10 Be produced by the interaction of bremsstrahlung with maximum end-point energies of 250-1050 MeV with O, Al, Cl, Co, Cu, Y, Ag and Au targets were measured by gamma-ray spectrometry for 7 Be and accelerator mass spectr...

Research Grants & Projects

 
Radiochemical study of nuclear reactions
Basic Science Research Program
Project Year: 1994