Transmission of Neutrons by a Single Crystal of Bismuth Germanate

被引：0
|
作者：
Parshin, P. P. [1 ]
Borisova, P. A. [1 ]
Glazkov, V. P. [1 ]
Dyuzheva-Maltseva, E. V. [1 ]
Em, V. T. [1 ]
机构：
[1] Kurchatov Inst, Natl Res Ctr, Moscow 123182, Russia
来源：
PHYSICS OF ATOMIC NUCLEI | 2023年 / 86卷 / 08期
关键词：
bismuth germanate single crystal; neutron transmission; partial thermal vibration spectra of atoms; cross section of inelastic neutron scattering; DIFFRACTION; BI4GE3O12;
D O I：
10.1134/S1063778823080124
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The effect of inelastic scattering on the transmission of neutrons by a single crystal of Bi4Ge3O12 (BGO) has been investigated experimentally and theoretically. The results of an experiment on measuring the temperature dependence of the transmission of monochromatic neutrons by a BGO single crystal are presented. The dependence obtained in the experiment is well described by a calculation based on consideration of inelastic neutron scattering at phonons. The analysis indicates the existence of a temperature-independent contribution to the total cross section of neutron interaction with a BGO single crystal. It is assumed that this contribution is due to the presence of a small amount of impurities that strongly absorb neutrons in the studied specimen.
引用
收藏
页码：1749 / 1756
页数：8
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