GEANT4 Simulation of the Shielding of Neutrons from 252Cf Source

被引：15
|
作者：
Bak, S. I. [1 ,2 ]
Park, T. -S. [1 ,2 ]
Hong, S. W. [1 ,2 ]
Shin, J. W. [1 ]
Hahn, I. S. [3 ]
机构：
[1] Sungkyunkwan Univ, Dept Phys, Suwon 440746, South Korea
[2] Sungkyunkwan Univ, Dept Energy Sci, Suwon 440746, South Korea
[3] Ewha Womans Univ, Dept Sci Educ, Seoul 120750, South Korea
来源：
JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 2011年 / 59卷 / 02期
关键词：
Neutron shielding; Cf-252; GEANT4; Dose rate; ENDF-VI;
D O I：
10.3938/jkps.59.2071
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We have done simulation studies of the neutron shielding for a Cf-252 source using GEANT4. For the energy distribution of the neutrons emitted from Cf-252, we have assumed the Watt fission spectrum. The neutron absorption dose rates with and without the shield are estimated for three different materials of Type 304 SS, NS-4-FR and Resin-F. Among various physics models of GEANT4 for the hadronic interactions of low-energy neutrons, we have used the High Precision (HP) model, which is based on the ENDF-VI data and is able to treat elastic, inelastic, fusion and fission processes for neutrons. We have investigated the accuracy of this HP model of GEANT4 by comparing the simulation results with those from MCNP5 and experimental data.
引用
收藏
页码：2071 / 2074
页数：4
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