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Safety Management Group

Group Director
Yoshitomo UWAMINOD.Eng.
  • 1977年京都大学工学部原子核工学教室卒業
  • 1979年同大学院工学研究科原子核工学専攻修士課程修了
  • 1979年放射線医学総合研究所養成訓練部
  • 1983年東京大学原子核研究所放射線管理室助手
  • 1986年京都大学工学博士
  • 1994年理化学研究所安全管理室調査役
  • 2005年理化学研究所重イオン科学研究プログラム安全業務室長
  • 2009年理化学研究所仁科加速器研究センター安全業務室長


Research Areas

The Nishina Center for Accelerator-Based Science possesses one of the biggest heavy-ion accelerator facilities in the world which consists of two heavy-ion linear accelerators and 5 cyclotrons. Uranium ions are accelerated here only in Japan. Electron accelerators of microtron and synchrotron-storage-ring are also operated. Our function is to keep the radiation level in and around the facility below the allowable limit and to control the exposure on the workers as low as reasonably achievable. We are also involved in the safety management of the Radioisotope Center where many types of experiments are performed with sealed and unsealed radioisotopes.

Research Subject

  1. Safety management at radiation facilities of Nishina Center for Accelerator-Based Science
  2. Safety management at Radioisotope Center
  3. Radiation shielding design and development of accelerator safety systems

List of Selected Publications

  1. Akashio, A., Tanaka, K., Imao, H., and Uwamino Y.:
    "Activation measurement by 238U beam irradiation around 11A MeV on He gas"
    13th International Conference on Radiation Shielding & 19th Topical Meeting of the Radiation Protection & Shielding Division of the Ameriacn Nuclear Society 2016 (ICRS13-RPSD2016), Paris, France, October (2016)
  2. Tanaka, K., Inabe, N., Yoshida, K. and Kubo, T.:
    "Evaluation of radiation levels and comparison with PHITS calculation for the BigRIPS separator in Radioactive Isotope Beam Factory"
    Progress in Nuclear Science and Technology, 4, 201-204 (2014)
  3. Nakao, N., Uwamino, Y. and Tanaka, K.:
    "Measurement of neutrons generated by 345 MeV/u U-238 beam at RIKEN RIBF"
    Proceedings of the 5th International Particle Accelerator Conference (IPAC2014), Dresden, 1811-1913 (2014)
  4. Tanaka, K., Inabe, N., Yoshida, K., Kusaka, K. and Kubo, T.:
    "Pillow seal system at the BigRIPS separator"
    Nuclear Instruments and Methods B, B317, 734-738 (2013)
  5. Uwamino, Y., Sakamoto, H., Higurashi-Hirunuma, R., Mukai, H., Fukuda, H. and Akashio, A.:
    "A state of the RIKEN Radioisotope Beam Factory"
    Indian Journal of Pure and Applied Physics, 50, 442-445 (2012)
  6. Matsumura, H., Saito, K., Ishioka, J. and Uwamino, Y.:
    "Diffusion of radioactive materials from Fukushima Daiichi Nuclear Power Station obtained by gamma-ray measurements on expressways"
    Transactions of the Atomic Energy Society of Japan, 10, 152-162 (2011) (in Japanese)


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