Generation of α-Particle Beams With a Multi-kJ, Peta-Watt Class Laser System

Daniele Margarone, Alessio Morace, Julien Bonvalet, Yuki Abe, Vasiliki Kantarelou, Didier Raffestin, Lorenzo Giuffrida, Philippe Nicolai, Marco Tosca, Antonino Picciotto, Giada Petringa, G.A.P. Cirrone, Yuji Fukuda, Yasuhiro Kuramitsu, Hideaki Habara, Yasunobu Arikawa, Emmanuel D’Humieres, Georg Korn, Dimitri Batani

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2 Citations (Scopus)
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Abstract

We present preliminary results on generation of energetic α-particles driven by lasers. The experiment was performed at the Institute of Laser Engineering in Osaka using the short-pulse, high-intensity, high-energy, PW-class laser. The laser pulse was focused onto a thin plastic foil (pitcher) to generate a proton beam by the well-known TNSA mechanism which, in turn, was impinging onto a boron-nitride (BN) target (catcher) to generated alpha-particles as a result of proton-boron nuclear fusion events. Our results demonstrate generation of α-particles with energies in the range 8–10 MeV and with a flux around 5 × 109 sr−1.
Original languageEnglish
Article number343
Number of pages5
JournalFrontiers in Physics
Volume8
DOIs
Publication statusPublished - 09 Sep 2020

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