Rchr
J-GLOBAL ID：200901067480167517   Update date: Jan. 30, 2024

Numajiri Masaharu

ヌマジリ マサハル | Numajiri Masaharu
Affiliation and department：
High Energy Accelerator Research Organization Applied Research Laboratory

About High Energy Accelerator Research Organization Applied Research Laboratory


Research field  (1)： Nuclear engineering
Research theme for competitive and other funds  (18)：
  • 2003 - 2004 Measurement of production cross sections for high energy proton reaction with Hg, Pb, Bi targets used as spallation neutron source
  • 2002 - 2004 Development of the evaluation method of radioactivity in materials obtained from garious accelerator facilities
  • 2002 - 2003 Free volume in a thin film of epoxy resine coated on a metal base studied by positron annihilation
  • 2002 - 2003 Deep penetration and activation studies using the high energy neutron field
  • 2000 - 2002 A Pulsed Slow Positron Beam Apparatus and its Application to Thin Polymer Films
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Papers (30)：
  • Masayuki Hagiwara, Kiwamu Saito, Masaharu Numajiri, Kazutoshi Takahashi, Jun-ichi Kitagawa, Hiroshi Matsumura, Toshiya Sanami, Taichi Miura, Kazuyoshi Masumoto, Masaharu Ieiri, et al. Investigation on Radionuclides Released in the Radioactive Material Leak Incident at the J-PARC Hadron Experimental Facility. JPS Conference Proceedings. 2015. 8. 051007
  • H. Matsumura, T. Miura, A. Toyoda, N. Matsuda, M. Numajiri, H. Nakashima, K. Masumoto, T. Suzuki, K. Saito. Detailed spatial measurements and Monte Carlo analysis of the transportation phenomena of thermal and epithermal neutrons from the 12-GeV proton transport line to an access maze. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 2008. 266. 16. 3647-3655
  • Hirohi Nakashima, Tokushi Shibata, Yoshihiro Nakane, Fumihiro Masukawa, Norihiro Matsuda, Yosuke Iwamoto, Hideo Hirayama, Takenori Suzuki, Taichi Miura, Masaharu Numajiri, et al. Radiation shielding study for the J-PARC project. American Nuclear Society's 14th Biennial Topical Meeting of the Radiation Protection and Shielding Division. 2006. 2006. 267-282
  • N Nakao, H Yashima, M Kawai, K Oishi, H Nakashima, K Masumoto, H Matsumura, S Sasaki, M Numajiri, T Sanami, et al. Arrangement of high-energy neutron irradiation field and shielding experiment using 4 m concrete at KENS. RADIATION PROTECTION DOSIMETRY. 2005. 116. 1-4. 553-557
  • H Ohnishi, K Yoshimura, T Nakamoto, A Yamamoto, Y Ajima, M Aoki, N Fukasawa, K Ishibashi, Y Kuno, T Miura, et al. Measurement of radiation heating induced by secondary particles from 12-GeV primary proton-beam interactions. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT. 2005. 545. 1-2. 88-96
ｍore...
MISC (9)：
  • 加藤小織, 春日井好己, 西藤文博, 増川史洋, 沼尻正晴, 中村一, 山崎寛仁, 齋藤究, 藤原一哉. Radiation Safety training video in English for J-PARC Users. 日本放射線安全管理学会学術大会講演予稿集. 2019. 18th (CD-ROM)
  • 飛田暢, 沼尻正晴, 西川功一, 沼里一也, 大谷友一, 春日井好己, 齋藤究, 中根佳弘, 柴山実, 和田光二, et al. Annual Report on the Acchivichies of Safety in J-PARC, FY2016. 日本原子力研究開発機構JAEA-Review(Web). 2018. 2017-033. WEB ONLY
  • 別所光太郎, 別所光太郎, 高橋一智, 高橋一智, 萩原雅之, 萩原雅之, 松村宏, 北川潤一, 北川潤一, 沼尻正晴, et al. J-PARCニュートリノ実験施設における冷却水中放射性核種の安全管理. 日本放射線安全管理学会学術大会講演予稿集. 2015. 14th. 107
  • TAKAHASHI KAZUTOSHI, HAGIWARA MASAYUKI, SEKI KAZUNARI, NUMAJIRI MASAHARU. J-PARCにおける放射線管理の現状と課題. 日本放射線安全管理学会学術大会講演予稿集. 2014. 13th. 120
  • M. Numajiri. Evaluation of the radioactivity of the pre-dominant gamma emitters in components used at high-energy proton accelerator facilities. Radiation Protection Dosimetry. 2007. 123. 4. 417-425
ｍore...
Professional career (1)：
  • 工学博士 (筑波大学)
Association Membership(s) (3)：
JAPANESE SOCIETY OF RADIATION SAFETY MANAGEMENT ,  THE JAPAN SOCIETY OF NUCLEAR AND RADIOCHEMICAL SCIENCES ,  THE PHYSICAL SOCIETY OF JAPAN
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