Experimental research of radiation damage model for various particles in wide energy region

• Project/Area Number: 25820450
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Nuclear engineering
• Research Institution: Japan Atomic Energy Agency
• Principal Investigator: Iwamoto Yosuke 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門 原子力基礎工学研究センター, 研究副主幹 (10391327)
• Research Collaborator: YOSHIIE Toshimasa 京都大学, 原子炉実験所, 研究員 (20124844) ; YOSHIDA Makoto 高エネルギー加速器研究機構, 素粒子原子核研究所, 研究機関講師 (70379303) ; NAKAMOTO Tatsushi 高エネルギー加速器研究機構, 超伝導低温工学センター, 教授 (20290851) ; KURIYAMA Yasutoshi 京都大学, 原子炉実験所, 助教 (60423125)
• Project Period (FY): 2013-04-01 – 2016-03-31
• Project Status: Completed (Fiscal Year 2015)
• Budget Amount: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000); Fiscal Year 2015: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000); Fiscal Year 2014: ¥260,000 (Direct Cost: ¥200,000、Indirect Cost: ¥60,000); Fiscal Year 2013: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
• Keywords: 照射損傷 / 高エネルギー / 陽子 / 極低温 / はじき出し断面積 / はじき出し損傷 / 高エネルギー陽子 / 照射試験 / DPA / 極低温照射実験 / 電気抵抗測定 / PHITS / 極低温照射

Outline of Final Research Achievements

The　measurement　method　of　radiation　damage　on　metals　under high-energy proton　irradiations　has been developed to validate the radiation damage model used for radiation damage estimation on materials in accelerator facilities. As results, we developed the small cryogenic irradiation device which is available in various accelerator facilities and measured resistivity increase with nano-ohm order under irradiations. The data has been reported in the IAEA's research activity on "Primary radiation damage cross sections".

Research Products

• [Journal Article] Calculations of PKA spectra and kerma factors using PHITS code and measurement of displacement cross section of copper irradiated with 125 MeV protons (2015)
  • Author(s): Y. Iwamoto
  • Journal Title: IAEA, INDC International Nuclear Data Committee, INDC(NDS) Volume: 0691 Pages: 22-27
  • Acknowledgement Compliant
• [Journal Article] Measurement of the displacement cross-section of copper irradiated with 125 MeV protons at 12 K (2015)
  • Author(s): Yosuke Iwamoto, Toshimasa Yoshiie, Makoto Yoshida, Tatsushi Nakamoto, Masaaki Sakamoto, Yasutoshi Kuriyama, Tomonori Uesugi, Yoshihiro Ishi, Qiu Xu, Hiroshi Yashima, Fumiaki Takahashi, Yoshiharu Mori, Toru Ogitsu
  • Journal Title: Journal of Nuclear Materials Volume: 458 Pages: 369-375
  • DOI: 10.1016/j.jnucmat.2014.12.125
  • Peer Reviewed / Acknowledgement Compliant
• [Presentation] Measurement of damage rate of copper irradiated with 125 MeV protons at 12 K and comparison with PHITS results (2015)
  • Author(s): Y. Iwamoto, T. Yoshiie, M. Yoshida, T. Nakamoto, M. Sakamoto, Y. Kuriyama, T. Uesugi, Y. Ishi, Q. Xu, H. Yashima, F. Takahashi, Y. Mori, T. Ogitsu
  • Organizer: Radiation Effects in Superconducting Magnet Materials 2015
  • Place of Presentation: イーストランシング （アメリカミシガン州）
  • Year and Date: 2015-05-11
  • Int'l Joint Research
• [Presentation] 極低温下での陽子照射による銅の電気抵抗変化測定のための装置開発 (2015)
  • Author(s): 岩元洋介、義家敏正、吉田誠、中本建志、阪本雅昭、栗山靖敏、上杉智教、石禎浩、Qiu Xu、八島浩、高橋史明、森義治、荻津透
  • Organizer: 第49回京都大学原子炉実験所学術講演会
  • Place of Presentation: 京都大学原子炉実験所
  • Year and Date: 2015-01-28 – 2015-01-29
• [Presentation] 125MeV陽子照射による銅のはじき出し断面積測定の検討
  • Author(s): 岩元洋介、吉田誠、中本建志、荻津透、義家敏正、阪本雅昭、栗山靖敏、上杉智教、石禎浩、森義治
  • Organizer: 日本原子力学会 2014年春の年会
  • Place of Presentation: 東京都市大学 世田谷キャンパス