運転技術チーム

RIBF複合加速器システムにおいて、安定かつ効率的な加速器運転を実現するために必要な要素技術（ビーム診断、計算機コントロール、電源の安定化）の開発を行います。また、運転時に得られる多数のデータを解析し、数値シミュレーションと比較することによりRIBFの潜在能力を最大限引き出す運転を実現します。

研究テーマ

• 多段加速器系RIBFの安定かつ効率的な運転
• ビーム診断技術の開発
• 計算機コントロールの高度化
• fRCの性能向上
• RILAC2の性能向上

主要論文

1. N. Fukunishi, T. Dantsuka, M. Fujimaki, A. Goto, H. Hasebe, Y. Higurashi, E. Ikezawa, T. Kageyama, O. Kamigaito, M. Kase, M. Kidera, M. Kobayashi-Komiyama, K. Kumagai, H. Kuboki,T. Maie, M. Nagase, T. Nakagawa, J. Ohnishi, H. Okuno, N. Sakamoto, Y. Sato:
   "Operating Experience with the RIKEN Radioactive Isotope Beam Factory"
   Proceedings of PAC09, MO3GRI01, (2009).
2. T. Watanabe, N. Fukunishi, M. Kase, Y. Sasaki and Y. Yano:
   "Developement of Beam Currrent Monitor with HTS SQUID and HTS Current Sensor"
   11th International Conference on HEAVY ION ACCELERATOR TECHNOLOGY (HIAT09), WE-05, (2009).
3. Yamada K., Arai S., Fujimaki M., Fujinawa T., Fujisawa H., Fukunishi N., Goto A., Higurashi H., Ikezawa E., Kamigaito O., Kase M., Komiyama M., Kumagai K., Maie T., Nakagawa T., Ohnishi J., Okuno H., Sakamoto N., Sato Y., Suda K., Watanabe H., Watanabe Y.:
   "Construction of New Injector Linac for RI Beam Factory at RIKEN Nishina Center"
   Proceedings of IPAC'10, Kyoto, Japan, MOPD046, (2010).
4. T. Watanabe, N. Fukunishi, Y. Sasaki, M. Kase, A. Goto and O. Kamigaito:
   "Development of Beam Current Monitor with High-Tc SQUID at RIBF"
   Proceedings of BIW10, Santa Fe, New Mexico, US, WEIANB02, (2010).
5. N. Fukunishi:
   "RIBF and Other Radioactive Isotope Beam Facilities"
   Proceedings of LINAC10, Tsukuba, Japan, TU104, (2010).
6. T. Watanabe, N. Fukunishi, Y. Sasaki, M. Kase and O. Kamigaito:
   "Improvement of Beam Current Monitor with High Tc Current Sensor and SQUID at the RIBF"
   Proceedings of IPAC'11, San Sebastian, Spain, PP.1260-1262, (2011).
7. M. Kobayashi-Komiyama, N. Fukunishi and A. Uchiyama:
   "Construction of New Data Archive System in RIKEN RI Beam Factory"
   Proceedings of ICALEPCS2011, Grenoble, France, MOPKN005 (2011).
8. T. Maeyama, N. Fukunishi, K. L. Ishikawa, K. Fukasaku, T. Furuta, S. Takagi, S. Noda R. Himeno and S. Fukuda:
   "Response of Aqueous Dichromate and Nanoclay Dichromate Gel Dosimeters to Carbon ion Irradiation"
   7th International Conference on 3D Radiation Dosimetry 2012, Sydney, Australlia, (2012).
9. T. Watanabe, N. Fukunishi, M. Kase, O. Kamigaito, S. Inamori and K. Kon:
   "Beam Current Monitor with a High-Tc Current Sensor and SQUID at the RIBF"
   Journal of Superconductivity and Novel Magnetism, DOI 10.1007/s10948-012-1943-0, (2012).
10. K. Kumagai, N. Fukunishi, M. Fujimaki, T. Maie:
    "Upgrade of RIKEN fixed-frequency Ring Cyclotron"
    Proceedings of PASJ9, Osaka, Japan, WEPS055 (2012).