Analysis and optimization of energy resolution of neutron-TPC
Huang, M; Li, YL; Niu, LB; Li, J; Li, YJ; Li J(李金)
刊名NUCLEAR SCIENCE AND TECHNIQUES
2015
卷号26期号:4页码:102-108
关键词Neutron-TPC Energy resolution Analytical method Multiple Coulomb scattering
学科分类Nuclear Science & Technology; Physics
其他题名TPC和中子能量分辨率的优化分析(英文)
文章类型Article
英文摘要Neutron-TPC (nTPC) is a fast neutron spectrometer based on GEM-TPC (Gas Electron Multiplier-Time Projection Chamber) and expected to be used in nuclear physics, nuclear reactor operation monitoring, and thermonuclear fusion plasma diagnostics. By measuring the recoiled proton energy and slopes of the proton tracks, the incident neutron energy can be deduced. It has higher n/gamma separation ability and higher detection efficiency than conventional neutron spectrometers. In this paper, neutron energy resolution of nTPC is studied using the analytical method. It is found that the neutron energy resolution is determined by 1) the proton energy resolution (sigma(Ep)/E-p), and 2) standard deviation of slopes of the proton tracks caused by multiple Coulomb scattering (sigma(k(scattering))) and by the track fitting accuracy (sigma(k(fit))). Suggestions are made for optimizing energy resolution of nTPC. Proper choices of the cut parameters of reconstructed proton scattering angles (theta(cut)), the number of fitting track points (N), and the working gas help to improve the neutron energy resolution.
类目[WOS]Nuclear Science & Technology ; Physics, Nuclear
收录类别SCI
WOS记录号WOS:000361645000018
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228717
专题中国科学院高能物理研究所_实验物理中心_期刊论文
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GB/T 7714
Huang, M,Li, YL,Niu, LB,et al. Analysis and optimization of energy resolution of neutron-TPC[J]. NUCLEAR SCIENCE AND TECHNIQUES,2015,26(4):102-108.
APA Huang, M,Li, YL,Niu, LB,Li, J,Li, YJ,&李金.(2015).Analysis and optimization of energy resolution of neutron-TPC.NUCLEAR SCIENCE AND TECHNIQUES,26(4),102-108.
MLA Huang, M,et al."Analysis and optimization of energy resolution of neutron-TPC".NUCLEAR SCIENCE AND TECHNIQUES 26.4(2015):102-108.
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