Energy resolution of neutron detecting system and its application in the numerical investigation of energy spectra
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摘要: 针对中子能谱实验的数值模拟研究中涉及到的探测系统能量分辨问题,基于系统探测伽玛和中子的对应关系以及对伽玛射线的能量分辨率,介绍了一种简便实用的数值模拟方案,利用探测系统对中子、伽玛的光响应对应关系以及其对伽玛的能量分辨率,得到系统对中子的能量分辨率,再进一步把它应用到中子能谱的数值模拟中,并对数值计算结果与相关实验数据进行比较分析。结果表明,该方法可以很好地应用于中子能谱的数值模拟研究。Abstract: Aimed at the problem of energy resolution on the research of neutron energy spectra experiments, based on the detecting systems relation between gamma ray and neutron, plus its gamma ray energy resolution, a practical and convenient numerical scheme is introduced. Using the gamma ray energy resolution and the light response relation of neutron and gamma ray of the detecting system, the neutron energy resolution of the system was obtained. Furthermore, the neutron resolution was applied in the numerical simulation of neutron energy spectra, and data comparison between numerical calculation and related experiments was processed. The results proved that the method can be commendably applied to the theoretical simulation of neutron energy spectra.
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