RIBF Research Division
- Radioactive Isotope Physics Laboratory
- Spin isospin Laboratory
- Nuclear Spectroscopy Laboratory
- High Energy Astrophysics Laboratory
- Nuclear Many-body Theory Laboratory
- Superheavy Element Research Group
- Superheavy Element Production Team
- Superheavy Element Research Device Development Team
- Astro-Glaciology Research Unit
Research Facility Development Division
Accelerator Applications Research Group
Subnuclear System Research Division
- Strangeness Nuclear Physics Laboratory
- Meson Science Laboratory
- RHIC Physics Research Group
- RIKEN Facility Office at RAL
Directly under the Nishina Center
Closed Laboratory
Accelerator Group

Group Director
Osamu KAMIGAITOD.Sci.
- 1986年京都大学理学部卒業
- 1991年京都大学理学研究科物理学第二専攻単位取得退学
- 1991年大阪大学核物理研究センター教務補佐員
- 1992年京都大学博士(理学)
- 1992年理化学研究所 サイクロトロン研究室 研究員
- 1999年理化学研究所 加速器基盤研究部 先任研究員
- 2007年理化学研究所 仁科加速器研究センター 専任研究員
- 2008年現職
Staff

Research Areas
"Deputy Director"
Intensity Upgrade:Hiroki OKUNO
Stable and Efficient Operation:Nobuhisa FUKUNISHI
The accelerator group pursues various upgrade programs of the next-generation heavy-ion accelerator facility, RI-Beam Factory (RIBF), to improve the accelerator performance and operation efficiency. We are also actively promoting the applications of the accelerator facility to a variety of research fields.
Research Subject
- Upgrade of beam intensity in RIBF accelerators
- Stable and efficient operation of RIBFaccelerators
- Effective maintenace of RIBF accelerators
- R&D of advanced accelerators
List of Selected Publications
- O. Kamigaito, T. Dantsuka, M. Fujimaki, N. Fukunishi, H. Hasebe, Y. Higurashi, E. Ikezawa, H. Imao, M. Kidera, M. Komiyama, K. Kumagai, T. Maie, Y. Miyake, T. Nagatomo, T. Nakagawa, M. Nakamura, T. Nishi, J. Ohnishi, H. Okuno, K. Ozeki, N. Sakamoto, K. Suda, A. Uchiyama, T. Watanabe, Y. Watanabe, K. Yamada:
"Recent progress in RIKEN RI Beam Factory"
Proceedings of the 22nd International Conference on Cyclotrons and their Applications (CYC2019), Cape Town, South Africa, MOB01 (2019). - O. Kamigaito, K. Ozeki, N. Sakamoto, K. Suda, K. Yamada:
"Measurement of Mechanical Vibration of SRILAC Cavities"
Proceedings of the 19th International Conference on RF Superconductivity (SRF2019), Dresden, Germany, TUP042, pp. 515 (2019). - T. Karino:
"Evaluation method of beam instability in laser ion source using solenoid"
Review of Scientific Instruments 91, 033316 (2020). - K. Nakamura, N. Nishiura, M. Okamura, T. Kanesue, S. Ikeda, A. Cannavo:
"Feasibility study of a compact heavy ion source for investigation of laboratory magnetospheric plasma"
Review of Scientific Instruments 91, 033503 (2020). - H. Okuno, N. Fukunishi, O. Kamigaito:
"Progress of RIBF Accelerators"
Progress of Theoretical and Experimental Physics, 03C002. (2012). - M. Kase, M. Fujimaki, Y. Higurashi, E. Ikezawa, O. Kamigaito, M. Komiyama, T. Nakagawa, K. Ozeki, N. Sakamoto, K. Suda:
"Heavy-Ion Beam Acceleration at RIKEN for the Super-Heavy Element Search"
Proceedings of the 3rd International Particle Accelerator Conference (IPAC2012), New Orleans, USA, THPPP040, pp. 3823 (2012). - A. Goto:
"Review of High Power Cyclotrons for Heavy Ion Beams"
Proceedings of the 19th International Conference on Cyclotrons and their Applications (CYC2010), Lanzhou, China, MOM2CIO01, pp. 9 (2010). - Y. Yano:
"The RIKEN RI Beam Factory Project: A status report"
Nucl. Instrum. Methods B 261, 1009 (2007). - O. Kamigaito:
"Circuit-model representation of external-Q calculation"
Phys. Rev. ST Accel. Beams 9, 062003 (2006).
Team List
Laboratory | Position | Representative |
---|---|---|
Accelerator Group | Group Director | Osamu KAMIGAITO |
Deputy Director | Hiroki OKUNO (Intensity Upgrade)/ Nobuhisa FUKUNISHI (Stable and Efficient Operation) |
|
Accelerator R&D Team | Team Leader | Hiroki OKUNO |
Ion Source Team | Team Leader | Takahide NAKAGAWA |
RILAC Team | Team Leader | Osamu KAMIGAITO |
Cyclotron Team | Team Leader | Naruhiko SAKAMOTO |
Beam Dynamics & Diagnostics Team | Team Leader | Nobuhisa FUKUNISHI |
Cryogenic Technology Team | Team Leader | Hiroki OKUNO |
Infrastructure Management Team | Team Leader | Masanori KIDERA |