Testing of Scintillation Detectors in Quasi-Monoenergetic Neutron Spectra in a Silicon Filtered Neutron Beam at the LVR-15 Research Reactor

被引：5
|
作者：
Kostal, Michal [1 ]
Matej, Zdenek [2 ]
Mravec, Filip [2 ]
Cvachovec, Frantisek [3 ]
Schulc, Martin [1 ]
Juricek, Vlastimil [1 ]
Rypar, Vojtech [1 ]
Soltes, Jaroslav [1 ]
Losa, Evzen [1 ]
Viererbl, Ladislav [1 ]
机构：
[1] Res Ctr Rez Ltd, Husinec Rez 25068, Czech Republic
[2] Masaryk Univ, Fac Informat, Bot 15, Brno 61200, Czech Republic
[3] Univ Def, Dept Math & Phys, Kounicova 65, Brno 61200, Czech Republic
来源：
JOURNAL OF NUCLEAR ENGINEERING AND RADIATION SCIENCE | 2019年 / 5卷 / 03期
关键词：
LVR-15; neutron spectrometry; Si neutron filter; scintillation detector response; reactor dosimetry; RESPONSE FUNCTIONS; LIGHT OUTPUT;
D O I：
10.1115/1.4043197
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
With increasing needs of neutron detection in energy and homeland security sectors, there is an aim in the development of new suitable detection materials with possible n/g separation and also satisfactory resolution. This issue is connected with a well-defined neutron field. The neutron standards Cf-252(spontaneous fission) and U-235(n(th) fission) have smooth spectra; thus, the tests in these fields can be used for testing of neutron gamma pulse shape discrimination (PSD), but cannot reveal possible problems in the deconvolution. New neutron field which is formed from fission spectrum filtered by 1 m thick silicon block was developed in Research Center Rez. Due to the course of the silicon cross section, the well-distinguished neutron peaks occur in filtered neutron spectrum. In this field, various scintillation materials, HIDEX Aqualight, and EJ299-33A were tested.
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页数：5
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