4H-SiC探测器的快中子产额测量可行性研究
Nuclear Techniques（2021）
Abstract
为了验证4H-SiC探测器用于快中子产额测量的可行性,利用强流氘氚聚变中子发生器(High Intensity Deuterium-Tritium Fusion Neutron Generator,HINEG)测试了4H-SiC探测器的主要性能.实验获得了探测器的脉冲幅度谱,高能段反应特征峰清晰可辨,12C(n,α0)9Be特征峰的半峰全宽(Full Width at Half Maximum,FWHM)为190 keV,能量分辨率为2.26％,对快中子的注量响应εE=8.89×10-6 n-1·cm-2(±7.7％).实验结果表明4H-SiC探测器可用于快中子产额测量.
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Key words
4h-sic,fast neutron yield measurement,fluence response
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