Simplified methods for coincidence summing corrections in HPGe efficiency calibration

被引：3
|
作者：
Mauring, Alexander [1 ]
Drefvelin, Jon [1 ]
机构：
[1] Norwegian Radiat Protect Author, N-1332 Osteras, Norway
来源：
APPLIED RADIATION AND ISOTOPES | 2012年 / 70卷 / 09期
关键词：
Gamma spectrometry; Coincidence summing; HPGe detectors; n-Type; Detector efficiency; GAMMA-RAY SPECTROMETRY; DECAY;
D O I：
10.1016/j.apradiso.2012.02.086
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Simple and practical coincidence summing corrections for n-type HPGe detectors are presented for the common calibration nuclides Co-57 and Co-60 using a defined "virtual peak" and accounting for the summing of gamma photons with x-rays having energies up to 40 key (Y-88 and Ce-139). These corrections make it possible to easily and effectively establish peak and total efficiency curves suitable for subsequent summing corrections in routine gamma spectrometry analyses. Experimental verification of the methods shows excellent agreement for measurements of different reference solutions. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2161 / 2163
页数：3
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