Application of GESPECOR software for the calculation of coincidence summing effects in special cases

被引:32
作者
Arnold, D
Sima, O
机构
[1] Phys Tech Bundesanstalt, D-38116 Braunschweig, Germany
[2] Univ Bucharest, Dept Phys, RO-76900 Bucharest, Romania
关键词
gamma-ray spectrometry; Ge detectors; coincidence summing effects; detector dead layer;
D O I
10.1016/j.apradiso.2003.11.011
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
In this work, coincidence summing correction factors have been measured for Ba-133, Eu-152 and Y-88 point sources with a 50% relative efficiency p-type detector and a 25% relative efficiency n-type detector in two close-to-detector measurement geometries. The experimental data for Ba-133 and Eu-152 and the results obtained with the GESPECOR software reveal a complex structure of the conventional dead layer of the p-type detector. The high value of the coincidence summing correction factor for the 511keV peak of Y-88, in agreement with the values computed by GESPECOR, in this case cautions against the application of the semiempirical method for evaluating coincidence summing effects. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码:167 / 172
页数:6
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