Abstract
Presented are results of calculation of the atmospheric neutrino spectra in the energy range from 100 GeV to 10 PeV using the QGSJET-II and SIBYLL 2.1 models of hadron–nuclear interactions and two experimentally based Zatsepin–Sokol’skaya and Hillas–Gaisser models of the cosmic ray spectrum. It is shown that rare decays of short-lived neutral kaons produce about one third of the flux of electron neutrinos and up to 10% of muon neutrinos at energies above 100 TeV. The calculated spectra agree satisfactorily with the IceCube and ANTARES measurement data. The measurement errors leave open the possibility of a contribution from decays of charmed particles to fluxes of muon neutrinos with energies above 500 TeV and electron neutrinos with energies above 30 TeV.
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Original Russian Text © A.D. Morozova, A.A. Kochanov, T.S. Sinegovskaya, S.I. Sinegovsky, 2017, published in Izvestiya Rossiiskoi Akademii Nauk, Seriya Fizicheskaya, 2017, Vol. 81, No. 4, pp. 555–558.
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Morozova, A.D., Kochanov, A.A., Sinegovskaya, T.S. et al. Calculation of atmospheric high-energy neutrino spectra and the measurement data of IceCube and ANTARES experiments. Bull. Russ. Acad. Sci. Phys. 81, 516–519 (2017). https://doi.org/10.3103/S1062873817040323
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DOI: https://doi.org/10.3103/S1062873817040323