Transmission of Neutrons by a Single Crystal of Bismuth Germanate

The effect of inelastic scattering on the transmission of neutrons by a single crystal of Bi 4 Ge 3 O 12 (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 cr...

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Bibliographic Details
Published in:Physics of atomic nuclei 2023-12, Vol.86 (8), p.1749-1756
Main Authors: Parshin, P. P., Borisova, P. A., Glazkov, V. P., Dyuzheva-Maltseva, E. V., Em, V. T.
Format: Article
Language:English
Subjects:
BGO (crystal)
Inelastic scattering
Neutron scattering
Neutrons
Nuclear cross sections
Particle and Nuclear Physics
Physics
Physics and Astronomy
Single crystals
Temperature dependence
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Summary:The effect of inelastic scattering on the transmission of neutrons by a single crystal of Bi 4 Ge 3 O 12 (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.
ISSN:1063-7788
1562-692X
DOI:10.1134/S1063778823080124