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Report No.

Experimental demonstration of neutron resonance measurement using laser-driven neutron source

Lan, Z.*; Yogo, Akifumi*; Mirfayzi, S. R.*; Hayakawa, Takehito*; Koizumi, Mitsuo ; Wei, T.*; Shi, B.*; Ishimoto, Takashi*; Golovin, D.*; Mori, Takato*; Tanabe, Daiki*; Hiramatsu, Yusuke*; Nakanishi, Maiko*; Abe, Yuki*; Arikawa, Yasunobu*; Mima, Kunioki*; Fujioka, Shinsuke*; Kodama, Ryosuke*

High penetration power of neutrons is potentially useful for realizing opaque object analysis in non-destructive way. Large-scale particle accelerators and nuclear reactors are mostly used for development of neutron analyzing method. A Laser-Driven Neutron Source (LDNS) has been proposed as a new approach of neutron generation for non-destructive analysis. Demonstration experiments on neutron resonance measurement ware performed at ILE, Osaka Univ., Japan. The Peta-watt laser LFEX was used to shoot a CD (deuterated plastic) foil target to produce accelerated charged deuterons. Neutrons are generated by nuclear reaction between a cylindrical beryllium and the accelerated deuteron, and then moderated by a high-density polyethylene (HDP). Neutrons of 1$$sim$$20 eV were observed with a neutron detector at a 1.8 m using neutron resonance diagnosis technology. This report describes the results of the first experimental demonstration.



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