Response evaluation of a compact and highly efficient neutron diffractometer for compact accelerator neutron sources

辐射防护 ›› 2020, Vol. 40 ›› Issue (6): 540-544.

Response evaluation of a compact and highly efficient neutron diffractometer for compact accelerator neutron sources

Sho Imai¹, Kenichi Watanabe¹, Astushi Yamazaki¹, Sachiko Yoshihashi¹, Akira Uritani¹, Seiji Tasaki², Setsuo Satoh³

出版日期:2020-11-20 发布日期:2021-01-27

Response evaluation of a compact and highly efficient neutron diffractometer for compact accelerator neutron sources

Sho Imai¹, Kenichi Watanabe¹, Astushi Yamazaki¹, Sachiko Yoshihashi¹, Akira Uritani¹, Seiji Tasaki², Setsuo Satoh³

1. Nagoya University,Furo-cho,Chikusa-ku,Nagoya,464-8603,Japan;
2. Kyoto University,Yoshidahonmachi,Sakyo-ku,Kyoto,606-8501,Japan;
3. High Energy Accelerator Research Organization,Oh-ho,Tsukuba,305-0801,Japan

Online:2020-11-20 Published:2021-01-27
Contact: Sho Imai E-mail: imai.sho@a.mbox.nagoya-u.ac.jp
About author:Born in Okayama Prefecture, Japan in 1995. The author graduated from the School of Engineering at Nagoya University, Japan, in 2018, and is studying radiation measurement at the Graduate School of Engineering in Nagoya University.

摘要/Abstract

Abstract: We fabricated the spheroid neutron diffractometer with 79 neutron detector rings using the transparent rubber sheet type Eu:LiCaAlF₆ scintillators and wavelength-shifting fibers.We confirmed that the fabricated detector shows a clear neutron peak and can discriminate neutron and gamma-ray events in a signal pulse spectrum.We additionally checked that the fabricated diffractometer can detect a neutron diffraction peak of ferrite powder at Kyoto University Accelerator-driven Neutron Source.Consequently,it can be expected that crystal structural analysis will be possible even by small accelerator neutron sources.

Key words: LiCAF scintillator, neutron diffractometer, neutron detector, time-of-flight, KUANS, LiTA12

Sho Imai, Kenichi Watanabe, Astushi Yamazaki, Sachiko Yoshihashi, Akira Uritani, Seiji Tasaki, Setsuo Satoh. Response evaluation of a compact and highly efficient neutron diffractometer for compact accelerator neutron sources[J]. 辐射防护, 2020, 40(6): 540-544.

Response evaluation of a compact and highly efficient neutron diffractometer for compact accelerator neutron sources

Response evaluation of a compact and highly efficient neutron diffractometer for compact accelerator neutron sources

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