Tau neutrino regeneration lets IceCube constrain dark matter annihilation in Earth's core for masses from 10^5 to 10^10 GeV, setting new upper limits on the spin-independent scattering cross section.
Searching for Relic Neutralinos using Neutrino Telescopes
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abstract
Neutrino telescopes of large area offer the possibility of searching for indirect signals of relic neutralinos in the galactic halo, due to annihilations in the Sun or the Earth. Here we investigate the sensitivity, using a supergravity scheme where the soft scalar mass terms are not constrained by universality conditions at the grand unification scale. We first discuss in which regions of the supersymmetric parameter space the neutralino may be considered as a good candidate for cold dark matter. The discovery potential of the search using neutrino telescopes is then compared to that of the direct search for relic neutralinos.
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Illuminating Very Heavy Dark Matter in the Earth with Tau Neutrinos
Tau neutrino regeneration lets IceCube constrain dark matter annihilation in Earth's core for masses from 10^5 to 10^10 GeV, setting new upper limits on the spin-independent scattering cross section.