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First search for dark matter annihilations in the Earth with the IceCube Detector
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arxiv 1609.01492 v2 pith:XHKHYXTG submitted 2016-09-06 astro-ph.HE
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We present the results of the first IceCube search for dark matter annihilation in the center of the Earth. Weakly Interacting Massive Particles (WIMPs), candidates for dark matter, can scatter off nuclei inside the Earth and fall below its escape velocity. Over time the captured WIMPs will be accumulated and may eventually self-annihilate. Among the annihilation products only neutrinos can escape from the center of the Earth. Large-scale neutrino telescopes, such as the cubic kilometer IceCube Neutrino Observatory located at the South Pole, can be used to search for such neutrino fluxes. Data from 327 days of detector livetime during 2011/ 2012 were analyzed. No excess beyond the expected background from atmospheric neutrinos was detected. The derived upper limits on the annihilation rate of WIMPs in the Earth and the resulting muon flux are an order of magnitude stronger than the limits of the last analysis performed with data from IceCube's predecessor AMANDA. The limits can be translated in terms of a spin-independent WIMP-nucleon cross section. For a WIMP mass of 50 GeV this analysis results in the most restrictive limits achieved with IceCube data.
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Cited by 2 Pith papers
Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record
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Possible High-Energy Neutrino Emission from Dark Matter Annihilation in the Disrupting Dwarf Galaxy Bo\"{o}tes~III
astro-ph.HE 2026-06 unverdicted novelty 7.0 of 10
IceCube data analysis yields a 3.1 sigma excess consistent with dark matter annihilation into neutrinos from the dwarf galaxy Bootes III at 26.5 TeV mass.
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Illuminating Very Heavy Dark Matter in the Earth with Tau Neutrinos
hep-ph 2025-05 conditional novelty 6.0 of 10
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.
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