Muon Fluxes From Dark Matter Annihilation

Details Muon Fluxes From Dark Matter Annihilation Muon Fluxes From Dark Matter Annihilation

2009-06-23

arxiv.org/abs/0906.4364v2

Phys.Rev.D80:043514,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 4 figures, 1 table. (v2): figure added, version published in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.80.043514

We calculate the muon flux from annihilation of the dark matter in the core of the Sun, in the core of the Earth and from cosmic diffuse neutrinos produced in dark matter annihilation in the halos. We consider model-independent direct neutrino production and secondary neutrino production from the decay of taus produced in the annihilation of dark matter. We illustrate how muon energy distribution from dark matter annihilation has a very different shape than muon flux from atmospheric neutrinos. We consider both the upward muon flux, when muons are created in the rock below the detector, and the contained flux when muons are created in the (ice) detector. We contrast our results to the ones previously obtained in the literature, illustrating the importance of properly treating muon propagation and energy loss. We comment on neutrino flavor dependence and their detection.

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