MC法模拟符合选择核素全能峰  

Simulation of Coincidence Picking Out Full-Energy-Peaks With MC

作　　者：王志朋[1] 李聪[1] 马玉刚[1] WANG Zhi - peng LI Cong MA Yu - gang(College of Physics Jilin University, Changehun 130012, China)

机构地区：[1]吉林大学物理学院,长春130012

出　　处：《核电子学与探测技术》2016年第12期1223-1226,共4页Nuclear Electronics & Detection Technology

基　　金：国家重大科学仪器设备开发专项(2012YQ240121)资助

摘　　要：利用Geant4对含有锰元素的混合材料进行热中子活化模拟,并进行γ射线的探测。符合测量技术利用核素衰变的级联γ射线,对56Mn的特征γ射线进行选取。模拟采用^(56_Mn的846 keV特征射线作为门信号,对与846 keV相级联的特征γ射线进行选择,获取^(56)Mn符合γ谱,根据符合γ能谱验证Geat4软件能模拟^(56)Mn的级联衰变。Using Geant4, a Monte Carlo simulation software, simulates that thermal neutron in＇adiates the material containing Manganese element. At the same time, the neutron activation analysis spectrometer of the material can be detectecl bv NaI（TI）. Coincidence measurement takes the γ cascade of certain element as gate signals to pick out full - energy γ- ray peaks. This experiment uses the full - energy - peak of 846 keV as gate signals to pick out full - energy γ - ray peaks for Manganese element. According to the selected γ - ray spectrum, Geant4 can simulate the γ cascade of Manganese element.

关 键 词：GEANT4 中子活化 全能峰 符合洲量 

分 类 号：O571.33[理学—粒子物理与原子核物理]