Measurement of 232Th(n,2n)231Th reaction cross-sections at neutron energies of 14.1 MeV and 14.8 MeV using neutron activation method

被引：12
|
作者：
兰长林 [1 ]
解保林 [1 ]
张凯 [2 ]
彭猛 [1 ]
方开洪 [1 ]
机构：
[1] School of Nuclear Science and Technology, Lanzhou University
[2] Department of Nuclear Physics, China Institute of Atomic Energy
来源：
NuclearScienceandTechniques | 2015年 / 26卷 / 06期
基金：
中国国家自然科学基金;
关键词：
232Th(n; 2n)231Th reaction; Cross-section; Neutron activation method;
D O I：
10.13538/j.1001-8042/nst.26.060501
中图分类号：
O571.5 [中子物理];
学科分类号：
0827 ; 082701 ;
摘要：
In this study, the activation cross-sections were measured for232Th(n,2n)231Th reactions at neutron energies of 14.1 and 14.8 MeV, which were produced by a neutron generator through a T(d,n)4He reaction. Induced gamma-ray activities were measured using a low background gamma ray spectrometer equipped with a high resolution HPGe detector. In the cross-section calculations, corrections were made regarding the effects of gamma-ray attenuation, dead-time, fluctuation of the neutron flux, and low energy neutrons. The measured cross-sections were compared with the literature data, evaluation data(ENDF-B/VII.1, JENDL-4.0 and CENDL-3.1), and the results of the model calculation(TALYS1.6).
引用
收藏
页码：102 / 105
页数：4
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