A hybrid method for calculating absolute peak efficiency of germanium detectors

被引：35
作者：
Jiang, SH
Liang, JH
Chou, JT
Lin, UT
Yeh, WW
机构：
[1] Natl Tsing Hua Univ, Dept Engn & Syst Sci, Hsinchu 30043, Taiwan
[2] Inst Nucl Energy Res, Div Hlth Phys, Lungtan 32500, Taiwan
[3] Taiwan Power Co, Radiat Lab, Taipei, Taiwan
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1998年 / 413卷 / 2-3期
关键词：
D O I：
10.1016/S0168-9002(98)00563-4
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We propose a hybrid method using the Moens concept of effective solid angle for calculating absolute peak efficiency of germanium detectors for extended sources. The effective solid angle is evaluated according to Monte Carlo integration instead of conventional numerical integration. The proposed hybrid method was tested for point, disk, cylinder, and Marinelli-beaker sources with essentially identical results as compared with those calculated using conventional numerical integration, The off-axis effect of source positions and the absolute peak efficiency for cuboid sources were also analyzed to demonstrate the powerful capability of the proposed hybrid method. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：281 / 292
页数：12
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