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Design and simulations of the neutron dump for the back -streaming white neutron beam at CSNS
Zhang, LY; Jing HT(敬罕涛); Tang JY(唐靖宇); Jing, HT; Tang, JY; Wang, XQ
2016
发表期刊RADIATION PHYSICS AND CHEMISTRY
卷号127页码:133-139
通讯作者敬罕涛
文章类型Article
摘要For nuclear data measurements with a white neutron source, to control the background at the detector is a key issue. The neutron dump which locates at the end of the white neutron beam line at CSNS has a very important impact to the neutron and gamma backgrounds in the endstation. A sophisticated neutron dump was designed to reduce the backgrounds to the level of about 10(-8) relative to the neutron flux. In this paper, the method to suppress both neutron and gamma backgrounds near a white-spectrum neutron dump is introduced. The optimized geometry structure and materials of the dump are described, and the neutron and gamma space distributions have been calculated by using the FLUKA. code for different operation settings which are defined by beam spots of Phi 30 mm, Phi 60 mm and 90 mm x 90 mm, respectively. (C) 2016 Elsevier Ltd. All rights reserved.
关键词Spallation neutron source Back-streaming neutron Neutron dump Background Monte Carlo
学科领域Chemistry; Nuclear Science & Technology; Physics
DOI10.1016/j.radphyschem.2016.06.023
收录类别SCI ; EI
语种英语
WOS类目Chemistry, Physical ; Nuclear Science & Technology ; Physics, Atomic, Molecular & Chemical
WOS记录号WOS:000381835500021
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260184
专题东莞分部
作者单位中国科学院高能物理研究所
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Zhang, LY,Jing HT,Tang JY,et al. Design and simulations of the neutron dump for the back -streaming white neutron beam at CSNS[J]. RADIATION PHYSICS AND CHEMISTRY,2016,127:133-139.
APA Zhang, LY,敬罕涛,唐靖宇,Jing, HT,Tang, JY,&Wang, XQ.(2016).Design and simulations of the neutron dump for the back -streaming white neutron beam at CSNS.RADIATION PHYSICS AND CHEMISTRY,127,133-139.
MLA Zhang, LY,et al."Design and simulations of the neutron dump for the back -streaming white neutron beam at CSNS".RADIATION PHYSICS AND CHEMISTRY 127(2016):133-139.
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