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Report No.

Proton acceleration with the thin-foil target at KPSI

Nishiuchi, Mamiko; Ogura, Koichi; Tanimoto, Tsuyoshi*; Pirozhkov, A. S.; Sakaki, Hironao; Fukuda, Yuji; Kanasaki, Masato; Kando, Masaki; Esirkepov, T. Z.; Sagisaka, Akito*; Yogo, Akifumi; Shimomura, Takuya; Tanoue, Manabu*; Nakai, Yoshiki*; Matsumoto, Yoshihiro; Entani, Shiro; Sakai, Seiji; Yamauchi, Tomoya*; Kondo, Kiminori

We present the extension of the maximum energy of protons from the interaction between the short-pulse compact laser system and solid thin-foil target. The laser pulses with parameters of 800 nm in wavelength, 40 fs of pulse width, 7 J of energy, 10$$^{10}$$ contrast are focused onto the target with the peak intensity of more than 10$$^{21}$$ Wcm$$^{-2}$$, which is also well confirmed by the measured electron temperature of 16 MeV. We report about the acceleration mechanism as well as future prospect on the proton acceleration experiment at JAEA.



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