High-Intensity Neutron Generation via Laser-Driven Photonuclear Reaction

Yasunobu ARIKAWA; Masaru UTSUGI; Morace ALESSIO; Takahiro NAGAI; Yuki ABE; Sadaoki KOJIMA; Shohei SAKATA; Hiroaki INOUE; Shinsuke FUJIOKA; Zhe ZHANG; Hui CHEN; Jaebum PARK; Jackson WILLIAMS; Taichi MORITA; Yoichi SAKAWA; Yoshiki NAKATA; Junji KAWANAKA; Takahisa JITSUNO; Nobuhiko SARUKURA; Noriaki MIYANAGA; Mitsuo NAKAI; Hiroyuki SHIRAGA; Hiroaki NISHIMURA; Hiroshi AZECHI

doi:10.1585/pfr.10.2404003

Regular Articles

High-Intensity Neutron Generation via Laser-Driven Photonuclear Reaction

Yasunobu ARIKAWA, Masaru UTSUGI, Morace ALESSIO, Takahiro NAGAI, Yuki ABE, Sadaoki KOJIMA, Shohei SAKATA, Hiroaki INOUE, Shinsuke FUJIOKA, Zhe ZHANG, Hui CHEN, Jaebum PARK, Jackson WILLIAMS, Taichi MORITA, Yoichi SAKAWA, Yoshiki NAKATA, Junji KAWANAKA, Takahisa JITSUNO, Nobuhiko SARUKURA, Noriaki MIYANAGA, Mitsuo NAKAI, Hiroyuki SHIRAGA, Hiroaki NISHIMURA, Hiroshi AZECHI

Author information

Yasunobu ARIKAWA
Institute of Laser Engineering, Osaka University
Masaru UTSUGI
Institute of Laser Engineering, Osaka University
Morace ALESSIO
Institute of Laser Engineering, Osaka University
Takahiro NAGAI
Institute of Laser Engineering, Osaka University
Yuki ABE
Institute of Laser Engineering, Osaka University
Sadaoki KOJIMA
Institute of Laser Engineering, Osaka University
Shohei SAKATA
Institute of Laser Engineering, Osaka University
Hiroaki INOUE
Institute of Laser Engineering, Osaka University
Shinsuke FUJIOKA
Institute of Laser Engineering, Osaka University
Zhe ZHANG
Institute of Laser Engineering, Osaka University
Hui CHEN
Lawrence Livermore National Laboratory
Jaebum PARK
Lawrence Livermore National Laboratory
Jackson WILLIAMS
Lawrence Livermore National Laboratory
Taichi MORITA
Institute of Laser Engineering, Osaka University
Yoichi SAKAWA
Institute of Laser Engineering, Osaka University
Yoshiki NAKATA
Institute of Laser Engineering, Osaka University
Junji KAWANAKA
Institute of Laser Engineering, Osaka University
Takahisa JITSUNO
Institute of Laser Engineering, Osaka University
Nobuhiko SARUKURA
Institute of Laser Engineering, Osaka University
Noriaki MIYANAGA
Institute of Laser Engineering, Osaka University
Mitsuo NAKAI
Institute of Laser Engineering, Osaka University
Hiroyuki SHIRAGA
Institute of Laser Engineering, Osaka University
Hiroaki NISHIMURA
Institute of Laser Engineering, Osaka University
Hiroshi AZECHI
Institute of Laser Engineering, Osaka University

Keywords: laser neutron generation, photonuclear reaction

JOURNAL FREE ACCESS

2015 Volume 10 Pages 2404003

DOI https://doi.org/10.1585/pfr.10.2404003

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Abstract

The generation of high-peak-intensity neutrons through a photonuclear reaction was demonstrated using the Laser for Fast Ignition Experiments (LFEX) at Osaka University. Up to 10⁹neutrons/shot were generated from a 1 mm sized gold target. Using Monte Carlo simulations, the neutron spectrum from keV to MeV was found to be independent of the γ-ray spectrum. The typical peak neutron intensity of 10²¹neutrons /cm²/s at the target surface was estimated, and it should be a useful tool for nuclear synthesis experiments.

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