Search for neutrinos with energies above 200 TeV at the Baikal neutrino telescope
Andrew D.Yankevich, Moscow State University, Moscow, Russia
Abstract
An analysis of the arrival directions of galactic neutrinos with energies above 200 TeV, recorded by the Baikal-GVD deep-sea neutrino telescope in 2018-2023, led to the conclusion that the flux of such neutrinos from the plane of the Milky Way is significantly higher than predicted by the modern theory of galactic cosmic rays. The obtained result requires a revision of the models of the origin and propagation of high-energy cosmic particles in our Galaxy.
For the first time, neutrino radiation with energies above 200 TeV from the Milky Way was detected by Russian scientists in data from the IceCube neutrino Observatory in Antarctica in 2022. The new Baikal-GVD results confirmed the presence of a stream of galactic neutrinos with reliably determined cascades of energies above 200 TeV.
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Andrew D. Yankevich
Moscow State University
Russia
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