Experimental study of potential neutron moderator materials

被引：6
|
作者：
Mocko, M. [1 ]
Daemen, L. L. [1 ]
Hartl, M. A. [1 ]
Huegle, Th [1 ]
Muhrer, G. [1 ]
机构：
[1] Los Alamos Natl Lab, Los Alamos, NM 87545 USA
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2010年 / 624卷 / 01期
关键词：
Neutron transport calculations; Neutron moderation; Neutron detection; Neutron energy spectrum measurement;
D O I：
10.1016/j.nima.2010.09.031
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We present an experimental investigation of thermal neutron energy spectra produced by lead and bismuth hydroxides (Pb(OH)(2) and Bi(OH)(3)) The experimental energy spectra are compared with a thermal neutron energy spectrum produced by water measured in the same geometry We developed an MCNPX geometry model designed to help with the interpretation of the experimental data We demonstrate a very good reproduction of the experimental thermal neutron energy spectrum produced by the water moderator in our tightly coupled geometry We study our experimental results for Pb(OH)(2) and Bi(OH)(3) using thermal neutron scattering kernels for hydrogen bismuth and lead Published by Elsevier B V
引用
收藏
页码：173 / 179
页数：7
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