New shapes for liquid scintillation detectors used in neutron spectrometry

被引：4
|
作者：
Begin, F.
Assaillit, G.
Groetz, J. E.
机构：
[1] Univ Franche Comte, Lab Microanal Nucl Alain Chambaudet, UMR E4, CEA, F-25030 Besancon, France
[2] CEA Valduc, Lab Instrumentat Nucl & Mesures, SRNC, DRMN, F-21120 Is Sur Tille, France
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2006年 / 562卷 / 01期
关键词：
liquid scintillation detectors; bubbling time; neutron spectrometry; gamma/neutron discrimination;
D O I：
10.1016/j.nima.2006.01.137
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
New shapes for liquid scintillation detectors were developed as a neutron spectrometer in mixed fields n/y. Both simulations with MCNPX and an experimental set-up have been performed in order to test and optimize the geometric parameters of a new BC501-A-based scintillation detector. In order to enhance the pulse shape discrimination, the study of the influence of removing dissolved oxygen has been carried out by optimizing the bubbling time. The new shapes were compared with commercial detectors and show an improved performance for the y/n discrimination. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：351 / 357
页数：7
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