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Analysis of the result of the Neutrino-4 experiment in conjunction with other experiments on the search for sterile neutrinos within the framework of the 3 + 1 neutrino model

The correspondence of the results obtained in the Neutrino-4 experiment with the results of the NEOS, DANSS, STEREO, PROSPECT experiments at reactors, the MiniBooNE, LSND, MicroBoone experiments at accelerators, the IceCube experiment and the BEST experiment with a \({}^{51}\text{Cr}\) neutrino sour...

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Bibliographic Details
Published in:arXiv.org 2022-11
Main Authors: Serebrov, A P, Samoilov, R M, Chaikovskii, M E
Format: Article
Language:English
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Summary:The correspondence of the results obtained in the Neutrino-4 experiment with the results of the NEOS, DANSS, STEREO, PROSPECT experiments at reactors, the MiniBooNE, LSND, MicroBoone experiments at accelerators, the IceCube experiment and the BEST experiment with a \({}^{51}\text{Cr}\) neutrino source is analyzed. The agreement between the results of the Neutrino-4 experiment, the BEST experiment and the gallium anomaly on mixing angel is discussed. The disagreement between the results of the above-mentioned direct experiments with the results of the reactor anomaly, as well as with the limitations from solar and cosmological data, is discussed. It is shown that the results of the above-mentioned direct experiments on the search for sterile neutrinos and IceCube experiment do not contradict the Neutrino-4 experiment within the framework of the 3+1 neutrino model at the available experimental accuracy. The sterile neutrino parameters from the Neutrino-4 and BEST experiments make it possible to estimate the sterile neutrino mass \(m_4 = (2.70 \pm 0.22)\text{eV}\) and the effective mass of the electron neutrino \(m_{4\nu_e} = (0.82 \pm 0.21)\text{eV}\). The matrix with absolute values of the 3 + 1 neutrino model mixing parameters and the mixing scheme are presented.
ISSN:2331-8422