特征峰干扰判据K值法解析γ能谱  

Gamma-Ray Characteristic Peak Interference Criterion K Value Analysis in Gamma Spectrometry

作　　者：杨秀玉[1] 李庆光[1] 葛琴 YANG Xiu-yu;LI Qing-guang;GE Qin(Company Limited,CNNC,Lanzhou 732850,China)

机构地区：[1]中核四〇四有限公司,兰州732850

出　　处：《核电子学与探测技术》2021年第1期87-91,共5页Nuclear Electronics & Detection Technology

摘　　要：本文采用γ谱分析软件对土壤样品核素进行分析,针对分析时采用两条及以上特征γ射线给出样品核素活度值的情况提出了特征峰干扰判据K。得出:(1)对同一核素,若判据K近似为一个常数,则判定γ特征峰没有受到其他射线干扰,反之存在干扰。(2)判据K值不是常数时,要对样品中核素活度重新分析,给出校正值。In this paper,the nuclide activity in soil sample was analyzed with Gamma-Vision software,and the characteristic peak interference criterion K was put forward for the nuclides activity values of soil samples given by two or more characteristic rays.It can give such suggests and conclusions:(1)For the same nuclide,if the criterion K value is approximate to a constant,the Gamma-Ray Characteristic Peak is not be disturbed by other rays,otherwise there is interference.(2)When the K value is not constant,the activity of nuclides in the sample should be re-analyzed and the correction value should be given.

关 键 词：Γ能谱法 特征γ射线 特征峰干扰判据 

分 类 号：X830.3[环境科学与工程—环境工程]