当チームは理研重イオンリニアック「RILAC」の運転・維持管理および高度化を担当しています。RILACは1980年に稼働した、世界でも珍しい可変周波数型の線型加速器です。1990年代にRIビームファクトリー（RIBF）計画の一環で性能向上が図られ、113番元素「ニホニウム」の合成と発見に大きく貢献しました。2019年には超伝導線型加速器「SRILAC」が導入され、さらなる超重元素の合成と医療用ラジオアイソトープの生成技術の開発、そしてRIBFへの入射器として、大きな役割を果たします。

研究テーマ

RILACの長時間の高安定運転
RILAC運転の高効率化

主要論文

Watanabe, Y., Ikezawa, E., Sato, Y., Okuno, H., Nakagawa, T., Higurashi, Y., Ohnishi, J., Fujimaki, M., Fukunishi, N., Yokouchi, S., Kumagai, K., Komiyama, M., Watanabe, H., Kase, M., Goto, A., Kamigaito, O.:
"CONSTRUCTION OF BEAM TRANSPORT LINE FOR A NEW INJECTOR OF RILAC (RIKEN HEAVY ION LINAC)"
Proceedings of the 6th Annual Meeting of Particle Accelerator Society of Japan (2009)
Watanabe, Y., Ikezawa, E., Imao, H., Ohnishi, J., Okuno, H., Kase, M., Kamigaito, O., Kumagai, K., Goto, A., Komiyama, M., Sakamoto, N., Suda, K., Nakagawa, T., Higurashi, Y., Fukunishi, N., Fujinawa, T., Fujimaki, M., Maie, T., Yamada, K., Yokouchi, S.:
"CONSTRUCTION OF THE RILAC2 (RIKEN HEAVY-ION LINAC 2) LINE"
Proceedings of the 7th Annual Meeting of Particle Accelerator Society of Japan (2010)
Watanabe, Y., Ikezawa, E., Ohnishi, J., Kumagai, K., Komiyama, M., Fujinawa, T., Fujimaki, M., Maie, T., Yamasawa, H., Yokouchi, S., Watanabe, T., Watanabe, H.:
"Installation of a New Injector RILAC2 for RIKEN RIBF"
J. Particle Accelerator Society of Japan, Vol. 7, No. 4, 285-293 (2010)
Watanabe, Y., Fujimaki, M., Fukunishi, N., Hasebe, H., Higurashi, Y., Ikezawa, E., Imao, H., Kageyama, T., Kamigaito, O., Kase, M., Kidera, M., Komiyama, M., Kuboki, H., Kumagai, K., Maie, T., Nagase, M., Nakagawa, T., Ohnishi, J., Okuno, H., Sakamoto, N., Suda, K., Watanabe, H., Watanabe, T., Yamada, K., Yokouchi, S., Aihara, T., Fukuzawa, S., Hamanaka, M., Ishikawa, S., Kobayashi, K., Kotaka, Y., Koyama, R., Nakamura, T., Nishida, M., Nishimura, M., Ohki, T., Oyamada, K., Shibata, J., Tamura, M., Tsukiori, N., Uchiyama, A., Yadomi, K., Yamauchi, H.:
"PRESENT STATUS OF RIKEN RING CYCLOTRON"
Proceedings of 3rd International Particle Accelerator Conference, 433-435 (IPAC 2012)
Ikezawa, E., Tamura, M., Ohki, T., Aihara, T., Yamauchi, H., Oyamada, K., Yusa, A., Uchiyama, A., Watanabe, Y., Kase, M., Kamigaito, O.:
"Present Status of RILAC"
Proceedings of the 10th Annual Meeting of Particle Accelerator Society of Japan (2013)
Ikezawa, E., Tamura, M., Ohki, T., Aihara, T., Yamauchi, H., Oyamada, K., Yusa, A., Uchiyama, A., Watanabe, Y., Kase, M., Kamigaito, O.:
"Present Status of RILAC"
Proceedings of the 11th Annual Meeting of Particle Accelerator Society of Japan (2014)
Ohki, T., Ikezawa, E., Yamauchi, H., Oyamada, K., Tamura, M., Yusa, A., Kaneko, K., Watanabe, Y., Uchiyama, A., Kase, M., Kamigaito, O.:
"Present Status of RILAC",
Proceedings of the 12th Annual Meeting of Particle Accelerator Society of Japan (2015) p309-311.
Watanabe, Y., Kase, M., Fujimaki, M., Fukunishi, N., Ikezawa, E., Kamigaito, O., Kumagai, K., Maie, T., Ohnishi, J., Ohzeki, K., Okuno, H., Sakamoto, N., Suda, K., Watanabe, S., Yamada, K., Fukuzawa, S., Hamanaka, M., Ishikawa, S., Kobayashi, K., Koyama, R., Nakamura, T., Nishida, M., Nishimura, M., Shibata, J., Tsukiori, N., Yadomi, K.:
"RIKEN RING CYCLOTRON (RRC) ",
Proc. the 13th International Conference on Heavy Ion Accelerator Technology, Yokohama, Japan (2015) p54-57.
Ikezawa, E., Fujimaki, M., Higurashi, Y., Kamigaito, O., Kase, M., Komiyama, M., Nakagawa, T., Ozeki, K., Sakamoto, N., Suda, K., Uchiyama, A., Yamada, K., Kaneko, K., Ohki, T., Oyamada, K., Tamura, M. Yamauchi, H., Yusa, A.:
"HEAVY-ION BEAM ACCELERATION AT RIKEN FOR SUPER-HEAVY ELEMENT SEARCH",
Proc. the 13th International Conference on Heavy Ion Accelerator Technology, Yokohama, Japan (2015) p222-224.
Yamauchi, H., Ikezawa, E., Ohki, T., Oyamada, K., Tamura, M., Yusa, A., Kaneko, K., Watanabe, Y., Uchiyama, A., Kase, M., Kamigaito, O.:
"Present Status of RILAC",
Proceedings of the 13th Annual Meeting of Particle Accelerator Society of Japan (2016) p1336-1338.