A fast neutron spectrometer based on GEM-TPC

A fast neutron spectrometer based on GEM-TPC
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DOI：
10.1088/1674-1137/38/10/106101
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发表时间：
2012-10
期刊：
2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record (NSS/MIC)
影响因子：
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通讯作者：
Meng Huang;Yulan Li;Z. Deng;Xiaolei Cheng;Jin Li;L. Niu;Yuanjing Li
Meng Huang;Yulan Li;Z. Deng;Xiaolei Cheng;Jin Li;L. Niu;Yuanjing Li
中科院分区：
其他
文献类型：
--
作者：
Meng Huang;Yulan Li;Z. Deng;Xiaolei Cheng;Jin Li;L. Niu;Yuanjing Li

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核物理、热核聚变等离子体诊断等一些研究领域需要具有高能量分辨率的快中子谱仪。在这项研究中，提出了一种基于 GEM-TPC 的快中子谱仪，它利用反冲质子的能量和重建质子轨道的反冲角来推导中子能量。与传统的光谱仪相比，这种新方法具有检测效率高、中子与伽马区分能力强等优点。
Fast neutron spectrometers with high energy resolution are required in some research fields such as nuclear physics and thermo-nuclear fusion plasma diagnostics. In this study, a fast neutron spectrometer based on GEM-TPC has been proposed, which uses the energy of recoiled protons and the recoil angles from reconstructed proton tracks to derive the neutron energy. Compared to the traditional spectrometers, this new method has merits such as high detection efficiency and excellent discrimination ability for neutron from gamma.