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Report No.

Online Thomson parabola spectrometer for tens of Mev laser-driven ion acceleration

Sakaki, Hironao; Kanasaki, Masato; Hori, Toshihiko*; Fukuda, Yuji; Yogo, Akifumi; Nishiuchi, Mamiko; Katagiri, Masaki*; Niita, Koji*

In JAEA, we develop the small size high energy particle source that based on the laser-driven ion accelerator. Laser-driven acceleration systems have generated beams with energies up to tens-MeV ions1) from laser-plasma interaction. These ions are combined with X-ray and high energy electrons. The diagnostic most using for these ion beams is the Thomson parabola with CR-39 detector that has a characteristic of an effective way for ions detection under these conditions. However, CR-39 is necessary the etching process, and cannot obtain Thomson parabola's data online. So we challenge the development of an online Thomson parabola spectrometor with CCD camera and fluorescence film.



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