Investigations on neutron-induced prompt gamma ray analysis of bulk samples

被引：32
|
作者：
Dokhale, PA
Csikai, J
Oláh, L
机构：
[1] Univ Debrecen, Inst Expt Phys, H-4001 Debrecen, Hungary
[2] Western Kentucky Univ, Inst Appl Phys, Bowling Green, KY 42101 USA
来源：
APPLIED RADIATION AND ISOTOPES | 2001年 / 54卷 / 06期
基金：
匈牙利科学研究基金会;
关键词：
gamma spectroscopy; prompt gamma activation analysis; CsI; BGO; GSO detector efficiency; neutron spectroscopy;
D O I：
10.1016/S0969-8043(00)00348-1
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A systematic investigation was carried out for the improvement of the prompt gamma interrogation method used for contraband detection by the pulsed fast/thermal neutron analysis (PFTNA) technique. Optimizations of source-detector shielding and geometry, role of the type and dimension of the gamma detector, attenuation of neutrons and gamma rays in bulky samples were also studied. Results obtained for both the shielding materials and elemental content of cocaine simulants have been compared with the values calculated by the MCNP-4A code. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：967 / 971
页数：5
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