Efficiency function of HPGeγ detector to point sources and determination of its parameters

WANG Chongjie1 ZHANG Ailian2 Lü Jianzhou3 1

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Efficiency function of HPGeγ detector to point sources and determination of its parameters

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- Efficiency function of HPGeγ detector to point sources and determination of its parameters
- NUCLEAR TECHNIQUES Issue 1, (2006)
- 作者机构：
  
  1. 辽宁师范大学物理与电子技术学院
  2. 辽宁师范大学实验中心
  3. 辽宁师范大学生命科学学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TL816.2
- Published：01 January 2006
- 稿件说明：
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[1]王崇杰,张爱莲,吕建洲.HPGeγ探测器的点源效率函数及其参数确定[J].核技术,2006(01):77-80.

WANG Chongjie1 ZHANG Ailian2 Lü Jianzhou3 1. Efficiency function of HPGeγ detector to point sources and determination of its parameters[J]. Nuclear techniques, 2006, (1): 77-80.
[1]王崇杰,张爱莲,吕建洲.HPGeγ探测器的点源效率函数及其参数确定[J].核技术,2006(01):77-80. DOI：

WANG Chongjie1 ZHANG Ailian2 Lü Jianzhou3 1. Efficiency function of HPGeγ detector to point sources and determination of its parameters[J]. Nuclear techniques, 2006, (1): 77-80. DOI：

摘要

文章阐述了HPGeγ探测器对点源的探测效率函数及其参数的确定方法

并利用该函数

通过数值拟合方法

对两块已知样品中226Ra、232Th和40K三种放射性核素的放射性活度进行了分析

结果与已知数据吻合

证明了点源效率函数及其参数确定方法的实用性。从而可扩展到对任意形状样品的非破坏性测量和分析。

Abstract

A kind of efficiency function of HPGe γ detector with respect to the point radioactive sources and the method of determining its parameters are brought forward. By means of the function and numerical method

226Ra

232Th and 40K in two standard samples are analyzed

and the results are coincident with the known parameters

so the applicability of the function and the method is proved. In principle

this nondestructive analytical method can be applied to samples with any shapes.

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