Computer simulation ofγ- ray spectrum

A Jingye CHEN Da TU Jing

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Computer simulation ofγ- ray spectrum

更新时间：2021-03-12

- Computer simulation ofγ- ray spectrum
- NUCLEAR TECHNIQUES Issue 2, (2001)
- 作者机构：
  
  西北核技术研究所,西安,710024
- 作者简介：
- 基金信息：
- DOI：
  CLC： O572
- Published：01 February 2001
- 稿件说明：
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[1]阿景烨,陈达,屠荆.计算机模拟γ测量谱[J].核技术,2001(02):128-133.

A Jingye CHEN Da TU Jing. Computer simulation ofγ- ray spectrum[J]. Nuclear techniques, 2001, (2): 128-133.
[1]阿景烨,陈达,屠荆.计算机模拟γ测量谱[J].核技术,2001(02):128-133. DOI：

A Jingye CHEN Da TU Jing. Computer simulation ofγ- ray spectrum[J]. Nuclear techniques, 2001, (2): 128-133. DOI：

摘要

一个建立在微机ＤＯＳ环境下的计算机模拟γ射线测量谱系统以一个实测的１３７Ｃｓ谱作为模板，对活化测量谱和同位素源的γ射线谱进行了成形模拟。谱中包含了对全能峰、康普顿沿、康普顿坪和反散射峰的模拟。模拟系统具有谱峰面积计算、谱成形，谱显示、谱处理、谱存盘等功能。利用该模拟程序对１３７Ｃｓ源、１５２Ｅｕ源、６０Ｃｏ源的γ测量谱以及锆样品和岩石样品的中子活化测量谱进行了模拟，模拟谱与实际测量谱非常接近。

Abstract

A simulation system based on personal computer in DOS environment has been designed to simulate the γ- ray measurement spectrum. The γ- ray spectra for reactor neutron activation analyses and the spectra of radionuclides can be simulated in this system on the basis of modeling for an experimental spectrum of 137Cs. In the spectrum

the photopeak

Compton edge

Compton plateau and backscattering peak are simulated. This system has functions of peak area calculating

spectrum shaping

spectrum displaying

spectrum processing and spectrum saving

etc. Using this simulation system

the γ- ray spectra of 137Cs

60Co

152Eu and the spectra of Zr sample

rock standard sample for reactor neutron activation analyses have been simulated. The simulation spectra are similar to the spectra measured in the actual experiment to a great extent.

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