Cross Section of Neutrino Absorption by the Gallium-71 Nucleus

The cross sections of neutrino absorption by the gallium-71 nucleus are obtained for neutrinos from artificial 37 Ar, 51 Cr, and 65 Zn sources. The calculations rely on the new measurement of the energy threshold of this absorption reaction, and contributions of germanium-71 excited states to the to...

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Bibliographic Details
Published in:Physics of atomic nuclei 2020-12, Vol.83 (11), p.1549-1552
Main Author: Semenov, S. V.
Format: Article
Language:English
Subjects:
Absorption
Charge exchange
Gallium
Germanium
Mathematical Modeling in Nuclear Technologies
Neutrinos
Nuclear cross sections
Particle and Nuclear Physics
Physics
Physics and Astronomy
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Summary:The cross sections of neutrino absorption by the gallium-71 nucleus are obtained for neutrinos from artificial 37 Ar, 51 Cr, and 65 Zn sources. The calculations rely on the new measurement of the energy threshold of this absorption reaction, and contributions of germanium-71 excited states to the total cross section are estimated by invoking the data on the 71 Ga( 3 He,t) 71 Gе charge-exchange reaction. The results are important for searches for sterile neutrinos in calibration experiments.
ISSN:1063-7788
1562-692X
DOI:10.1134/S1063778820100221