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Report No.

Current status of heavy-ion microbeam systems at JAEA-Takasaki

Funayama, Tomoo; Sakashita, Tetsuya; Sato, Takahiro; Fukamoto, Kana; Kurashima, Satoshi; Yokota, Yuichiro; Yokota, Wataru; Kamiya, Tomihiro; Kobayashi, Yasuhiko

We had developed the heavy-ion microbeam system at TIARA of the Japan Atomic Energy Agency, and utilized for analyzing heavy-ion induced biological effects. Additionally, we have started developing another new focusing microbeam system for carrying out the experiments that cannot be archived by existing collimating microbeam system. The new system can provide finer microbeam by focusing heavy-ion beam from AVF cyclotron using a quadruplet quadrupole lens system. We are now developing a method for irradiating specific region of target sample using the cell targeting station installed last year. The collimating microbeam system was also improved for allowing a novel irradiation means that make a good use of its high fluence characteristics. For that purpose, the cell targeting system of collimating microbeam system was newly designed and updated.



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