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线极化γ射线康普顿散射的蒙特卡罗模拟
引用本文:吴和喜,杨波,魏强林,刘义保,张涛,吴迪. 线极化γ射线康普顿散射的蒙特卡罗模拟[J]. 原子能科学技术, 2013, 47(8): 1286-1289. DOI: 10.7538/yzk.2013.47.08.1286
作者姓名:吴和喜  杨波  魏强林  刘义保  张涛  吴迪
作者单位:1.东华理工大学 核技术应用教育部工程研究中心,江西 南昌330013;2.东华理工大学 核工程与地球物理学院,江西 抚州344000
摘    要:本文利用蒙特卡罗程序Geant4模拟了不同能量、不同线极化度γ射线的康普顿散射过程,通过记录散射γ射线方位角上计数的不对称性模拟计算了入射γ射线的极化度。比较了模拟计算的极化度与原入射射线的极化度,发现两者符合很好。结果表明,利用蒙特卡罗方法能模拟极化光子与物质的相互作用,可为γ极化仪的设计提供指导。

关 键 词:极化&gamma   射线   蒙特卡罗模拟   康普顿散射   Geant4

Monte Carlo Simulation of Compton Scattering Process for Linear Polarized γ-ray
WU He-xi,YANG Bo,WEI Qiang-lin,LIU Yi-bao,ZHANG Tao,WU Di. Monte Carlo Simulation of Compton Scattering Process for Linear Polarized γ-ray[J]. Atomic Energy Science and Technology, 2013, 47(8): 1286-1289. DOI: 10.7538/yzk.2013.47.08.1286
Authors:WU He-xi  YANG Bo  WEI Qiang-lin  LIU Yi-bao  ZHANG Tao  WU Di
Affiliation:1.Engineering Research Center of Nuclear Technology Application, East China Institute of Technology, Nanchang 330013, China;2.School of Nuclear Engineering and Geophysics, East China Institute of Technology, Fuzhou 344000, China
Abstract:The Compton scattering process of γ-ray with different energy and polarizations was simulated by Monte Carlo simulation program Geant4. The polarization of incident γ-ray was also calculated according to the asymmetry of scattered γ-ray. The simulated polarization agrees well with the theoretical values, and it means that the Monte Carlo simulation can be used in the study of the interaction of polarized γ-ray and provide supervisor for the design of γ-ray polarimeter.
Keywords:polarized γ-ray   Monte Carlo simulation  Compton scattering  Geant4
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