Neutrinos from captured dark matter in galactic stars

Abstract

Sub-GeV neutrinos produced in a stellar core may emerge from main sequence stars, white dwarfs and brown dwarfs producing possible observable signals of dark matter capture. A distribution of these stars near the Milky Way galactic center will produce a neutrino flux that can be probed at Earth based neutrino observatories like Super-Kamiokande and Hyper-Kamiokande. We demonstrate that this can provide a handle to probe dark matter masses in the $200$MeV\,$-$\,$2$GeV mass scales that compares favourably with present day direct detection bounds.

13 pages, 6 figures; matches published version

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Cited by in corpus (1)

• Super-Kamiokande Strongly Constrains Leptophilic Dark Matter Capture in the Sun