Study of a nTHGEM-based thermal neutron detector

doi:10.1088/1674-1137/40/7/076002

	Study of a nTHGEM-based thermal neutron detector
	Li K(李科); Zhou JR(周健荣); Xie YG(谢宇广); Zhou L(周良); Xu H(许虹); Yang GA(杨桂安); Wang YF(王艳凤); Sun ZJ(孙志嘉); Li, K; Zhou, JR
刊名	CHINESE PHYSICS C
	2016
卷号	40 期号:7
关键词	GEM THGEM neutron detection boron convertor alternative to He-3
DOI	10.1088/1674-1137/40/7/076002
通讯作者	孙志嘉
文献子类	Article
英文摘要	With new generation neutron sources, traditional neutron detectors cannot satisfy the demands of the applications, especially under high flux. Furthermore, facing the global crisis in He-3 gas supply, research on new types of neutron detector as an alternative to He-3 is a research hotspot in the field of particle detection. GEM (Gaseous Electron Multiplier) neutron detectors have high counting rate, good spatial and time resolution, and could be one future direction of the development of neutron detectors. In this paper, the physical process of neutron detection is simulated with Geant4 code, studying the relations between thermal conversion efficiency, boron thickness and number of boron layers. Due to the special characteristics of neutron detection, we have developed a novel type of special ceramic nTHGEM (neutron THick GEM) for neutron detection. The performance of the nTHGEM working in different Ar/CO2 mixtures is presented, including measurements of the gain and the count rate plateau using a copper target X-ray source. A detector with a single nTHGEM has been tested for 2-D imaging using a Cf-252 neutron source. The key parameters of the performance of the nTHGEM detector have been obtained, providing necessary experimental data as a reference for further research on this detector.
学科主题	Physics
WOS关键词	BORON-COATED GEM ; BEAM MONITOR
语种	英语
WOS记录号	WOS:000381730100014
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/260225]
专题	高能物理研究所_东莞分部高能物理研究所_实验物理中心中国科学院高能物理研究所_中国散裂中子源
作者单位	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	Li K,Zhou JR,Xie YG,et al. Study of a nTHGEM-based thermal neutron detector[J]. CHINESE PHYSICS C,2016,40(7).
APA	李科.,周健荣.,谢宇广.,周良.,许虹.,...&Hu, BT.(2016).Study of a nTHGEM-based thermal neutron detector.CHINESE PHYSICS C,40(7).
MLA	李科,et al."Study of a nTHGEM-based thermal neutron detector".CHINESE PHYSICS C 40.7(2016).