核化学与放射化学2017，Vol.39Issue(4)：316-320,5.DOI:10.7538/hhx.2017.YX.2016022
同轴高纯锗探测器探测效率的MCNP模拟与电荷收集时间的计算
Simulation of Detective Efficiency and Calculation of Charge Collection Time of Coaxial HPGe Detector
梁爽 1何高魁 1郝晓勇1
作者信息
- 1. 中国原子能科学研究院核技术应用研究所,北京102413
- 折叠
摘要
Abstract
HPGe detectors have a fine energy resolution,and are known as golden standards in nuclide analysis and considered as standard detective equipments in various detection areas.In the processing of HPGe detector,some parameters can be determined under Monte Carlo method.MCNP4 code is used to complete the simulation,and determined the material of entrance window and the thickness of the dead layer for coaxial HPGe detector,which based on the simulation result.Moreover,the code is used to compare influences of different materials and γ ray of different energy to the HPGe detector,then provide guidance for our future fabrication of HPGe detector.Furthermore,electric field simulation work inside the coaxial HPGe has been done,then the collection time of charges,produced from different energy deposition positions inside the coaxial HPGe,has been calculated.Changing positions of energy deposition can provide a perceptual intuition of the collection time of charges produced from different energy deposition positions inside the coaxial HPGe.关键词
同轴高纯锗探测器/铍窗/Monte Carlo方法/死层厚度/电荷收集时间Key words
coaxial HPGe detector/beryllium windows/Monte Carlo method/dead layer thickness/collection time of charges分类
能源科技引用本文复制引用
梁爽,何高魁,郝晓勇..同轴高纯锗探测器探测效率的MCNP模拟与电荷收集时间的计算[J].核化学与放射化学,2017,39(4):316-320,5.
