Validation of analytical formulae for the efficiency calibration of gamma detectors used in laboratory and in-situ measurements

被引：22

作者：

Abbas, Mahmoud I. ^{[1
]}

机构：

[1] Univ Alexandria, Fac Sci, Dept Phys, Alexandria 21121, Egypt

来源：

APPLIED RADIATION AND ISOTOPES | 2006年 / 64卷 / 12期

关键词：

in-situ gamma spectroscopy systems; parallelepiped detector; extended source and full-energy peak efficiency;

D O I：

10.1016/j.apradiso.2006.05.017

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Direct analytical formulae for the efficiency calibration of gamma (scintillation and semiconductor) detectors using an arbitrarily positioned radiating point source are extended to include sources with volumetric shapes. The attenuation of photons by the source itself (self-absorption) is determined by calculating the photon path length through the source material. The theoretical and the published experimental efficiency values are in good agreement. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：1661 / 1664

页数：4

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