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Report No.
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The Possibility of laser-driven heavy ion source

Nishiuchi, Mamiko; Sakaki, Hironao; Nishio, Katsuhisa   ; Sako, Hiroyuki   ; Pikuz, T.; Faenov, A. Ya.*; Esirkepov, T. Z.; Pirozhkov, A. S.; Matsukawa, Kenya*; Maeda, Shota; Sagisaka, Akito; Ogura, Koichi; Kanasaki, Masato; Kiriyama, Hiromitsu; Fukuda, Yuji; Kando, Masaki; Yamauchi, Tomoya*; Watanabe, Yukinobu; Bulanov, S. V.; Kondo, Kiminori; Imai, Kenichi; Nagamiya, Shoji

The up-grade plan for the heavy ion accelerator facilities in the world is now going on. The important issues to be solved is how to make high-current, high Q/M and high energy heavy ion beam. To make smaller size heavy ion accelerator is important in order to minimize the construction and running costs. The key issue is, "whether or not we can obtain high Q/M ion beam at the very beginning of the accelerator stages". However, the existing conventional ion-source technology can supply the beam of Q/M $$<$$ 0.2. On the other hand, our research at is to accelerate the ions by the laser-based method by using high contrast high intensity short pulse laser system, J-KAREN. Thanks to the extra-ordinary high quasi-static electric field of $$sim$$100 TV/m set in our method, the ions are efficiently stripped and accelerated toward high energy. By optimizing the condition, it is very probable that not only the laser-based ion source but also the laser-based ion injector would be realized. We show the experimental results of high-energy heavy ion acceleration by the interaction between high intensity short-pulse laser pulse interaction with the thin-foil target.

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