CMGA: a code to assay abundances of plutonium isotopes non-destructively with γ and X-rays in 94—104 keV energy range

WANG Siguang1 MAO Yajun1 TANG Peijia2 1

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CMGA: a code to assay abundances of plutonium isotopes non-destructively with γ and X-rays in 94—104 keV energy range

更新时间：2021-03-12

- CMGA: a code to assay abundances of plutonium isotopes non-destructively with γ and X-rays in 94—104 keV energy range
- NUCLEAR TECHNIQUES Issue 4, (2006)
- 作者机构：
  
  1. 北京大学物理学院
  2. 中国原子能科学研究院,北京,100871
  3. ,北京,102413
- 作者简介：
- 基金信息：
  
  中国博士后科学基金资助项目(2005038035)
- DOI：
  CLC： O571
- Published：01 April 2006
- 稿件说明：
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[1]王思广,冒亚军,唐培家.CMGA:一个利用钚的94—104keV γ和X射线非破坏分析其同位素丰度的软件[J].核技术,2006(04):257-260.

WANG Siguang1 MAO Yajun1 TANG Peijia2 1. CMGA: a code to assay abundances of plutonium isotopes non-destructively with γ and X-rays in 94—104 keV energy range[J]. Nuclear techniques, 2006, (4): 257-260.
[1]王思广,冒亚军,唐培家.CMGA:一个利用钚的94—104keV γ和X射线非破坏分析其同位素丰度的软件[J].核技术,2006(04):257-260. DOI：

WANG Siguang1 MAO Yajun1 TANG Peijia2 1. CMGA: a code to assay abundances of plutonium isotopes non-destructively with γ and X-rays in 94—104 keV energy range[J]. Nuclear techniques, 2006, (4): 257-260. DOI：

摘要

钚样品γ能谱94—104keV能区中有22条X及γ射线可用来提供其同位素丰度信息。本文介绍我们开发的用来解析该能区的CMGA1.0（ChinaMultipleGroupAnalysis

Version1.0）软件。利用该软件分析当前我们所能取得的唯一的具有质谱分析结果的样品。其240Pu/（239Pu+240Pu）多次测量的平均值与质谱法给出的对应数值之比为1.004

相对标准偏差为1.4%。

Abstract

A multi-channel spectrum of plutonium samples measured by HPGe detector includes 22 γ or X-ray lines in the 94—104 keV energy range

which can be used to provide information on the abundances of plutonium isotopes. A code named as CMGA (China Multi-Group Analyzer

Version 1.0)

developed to unfold this region

is introduced in this paper. One and only one plutonium sample we can obtain was measured 19 times and the results of 240Pu/(239Pu+240Pu) given by CMGA are presented. The ratio of the mean 240Pu/(239Pu+240Pu) value from repeated measurements given by CMGA to that given by mass spectrum analysis is 1.004 with a relative standard deviation around ±1.4%.

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WANG Siguang1 MAO Yajun1 TANG Peijia2 LI Ze2 1

冒亚军

唐培家

李泽

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