On the Oscillation of Neutrinos Produced by the Annihilation of Dark Matter inside the Sun - High Energy Physics - PhenomenologyReport as inadecuate




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Abstract: The annihilation of dark matter particles captured by the Sun can lead to aneutrino flux observable in neutrino detectors. Considering the fact that thesedark matter particles are non-relativistic, if a pair of dark matterannihilates to a neutrino pair, the spectrum of neutrinos will bemonochromatic. We show that in this case, even after averaging over productionpoint inside the Sun, the oscillatory terms of the oscillation probability donot average to zero. This leads to interesting observable features in theannual variation of the number of muon track events. We show that smearing ofthe spectrum due to thermal distribution of dark matter inside the Sun is toosmall to wash out this variation. We point out the possibility of studying theinitial flavor composition of neutrinos produced by the annihilation of darkmatter particles via measuring the annual variation of the number of muon-trackevents in neutrino telescopes.



Author: Arman Esmaili, Yasaman Farzan

Source: https://arxiv.org/







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