Non-standard interactions and neutrinos from dark matter annihilation in the Sun
arXiv:1711.00911 · doi:10.1088/1475-7516/2018/02/001
Abstract
We perform an analysis of the influence of non-standard neutrino interactions (NSI) on neutrino signal from dark matter annihilations in the Sun. Taking experimentally allowed benchmark values for the matter NSI parameters we show that the evolution of such neutrinos with energies at GeV scale can be considerably modified. We simulate propagation of neutrinos from the Sun to the Earth for realistic dark matter annihilation channels and find that the matter NSI can result in at most 30% correction to the signal rate of muon track events at neutrino telescopes. Still present experimental bounds on dark matter from these searches are robust in the presence of NSI within considerable part of their allowed parameter space. At the same time electron neutrino flux from dark matter annihilation in the Sun can be changed by a factor of few.
39 pages, many figures, several misprints and numerical inaccuracies were corrected, plots in figures 16-34 were corrected; robustness of the results of dark matter searches in the presence of NSI for several cases were emphasized, other conclusions unchanged, several references were added; matches published version
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