Novel Generation Method of 24-keV Monoenergetic Neutrons Using Accelerators

被引:0
|
作者
Matsumoto, Tetsuro [1 ]
Harano, Hideki [1 ]
Nishiyama, Jun [1 ]
Uritani, Akira [2 ]
Kudo, Katsuhisa [1 ]
机构
[1] Natl Inst Adv Ind Sci & Technol, Natl Metrol Inst Japan, Tsukuba, Ibaraki 3058568, Japan
[2] Nagoya Univ, Sch Engn, Nagoya, Aichi 4648603, Japan
关键词
Li-7(p; n)Be-7; reaction; 24 keV neutrons; iron filter; generation yield; neutron fluence standard; monoenergetic field; CAPTURE CROSS-SECTIONS; COUNTERS; BEAM;
D O I
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中图分类号
O59 [应用物理学];
学科分类号
摘要
This paper describes a novel 24-keV monoenergetic neutron source that consists of an iron filter and a thick lithium target. The 24 keV neutrons are obtained with iron filtering of a neutron beam from the Li-7(p,n)Be-7 reaction near threshold energy using the 4 MV Pelletron accelerator. Neutron spectra were calculated using the NRESP-ANT simulation code. This neutron source was investigated using a He-3 cylindrical proportional counter to measure the spatial distribution and neutron flux.
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页码:924 / +
页数:2
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