Measurement of neutron energy spectra for Eg=23.1 and 26.6 MeV mono-energetic photon induced reaction on natC using laser electron photon beam at NewSUBARU

Toshiro Itoga; Hiroshi Nakashima; Toshiya Sanami; Yoshihito Namito; Yoichi Kirihara; Shuji Miyamoto; Akinori Takemoto; Masashi Yamaguchi; Yoshihiro Asano

doi:10.1051/epjconf/201715307010

Proceedings

Open Access

EPJ Web of Conferences 153, 07010 (2017)
https://doi.org/10.1051/epjconf/201715307010

Measurement of neutron energy spectra for E_g=23.1 and 26.6 MeV mono-energetic photon induced reaction on ^natC using laser electron photon beam at NewSUBARU

Toshiro Itoga¹^*, Hiroshi Nakashima²^,4, Toshiya Sanami²^,3^,6, Yoshihito Namito³^,6, Yoichi Kirihara³, Shuji Miyamoto⁵, Akinori Takemoto⁵, Masashi Yamaguchi⁵ and Yoshihiro Asano²^,5

¹ JASRI, 1-1-1, Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198, Japan
² RIKEN SPring-8 Center, 1-1-1, Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198, Japan
³ KEK, 1-1, Oho, Tsukuba-shi, Ibaraki 305-0801, Japan
⁴ JAEA, 2-4 Shirakata, Tokai-mura, Naka-gun, Ibaraki 319-1195, Japan
⁵ LASTI University of Hyogo, 3-1-2 Koto, Kamigori-cho, Ako-gun, Hyogo 678-1205, Japan
⁶ The Graduate University for Advanced Studies (SOKENDAI), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan

^* Corresponding author: itoga@spring8.or.jp

Published online: 25 September 2017

Abstract

Photo-neutron energy spectra for E_g=23.1 and 26.6 MeV mono-energetic photons on ^natC were measured using laser Compton scattering facility at NewSUBARU BL01. The photon energy spectra were evaluated through measurements and simulations with collimator sizes and arrangements for the laser electron photon. The neutron energy spectra for the ^natC(g,xn) reaction were measured at 60 degrees in horizontal and 90 degrees in horizontal and vertical with respect to incident photon. The spectra show almost isotropic angular distribution and flat energy distribution from detection threshold to upper limit defined by reaction Q-value.

© The Authors, published by EDP Sciences, 2017

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