Abstract
The cross sections of neutrino absorption by the gallium-71 nucleus are obtained for neutrinos from artificial 37Ar, 51Cr, and 65Zn 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 71Ga(3He,t)71Gе charge-exchange reaction. The results are important for searches for sterile neutrinos in calibration experiments.
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Semenov, S.V. Cross Section of Neutrino Absorption by the Gallium-71 Nucleus. Phys. Atom. Nuclei 83, 1549–1552 (2020). https://doi.org/10.1134/S1063778820100221
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DOI: https://doi.org/10.1134/S1063778820100221