Scientific article
Open access

First search for dark matter annihilations in the Earth with the IceCube detector

ContributorsIceCube Collaboration
  • Open Access - SCOAP3
Publication date2017

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.

Citation (ISO format)
IceCube Collaboration. First search for dark matter annihilations in the Earth with the IceCube detector. In: European physical journal. C, Particles and fields, 2017, vol. 77, n° 2, p. 82. doi: 10.1140/epjc/s10052-016-4582-y
Main files (1)
Article (Published version)
ISSN of the journal1434-6044

Technical informations

Creation03/01/2017 11:34:31 AM
First validation03/01/2017 11:34:31 AM
Update time03/15/2023 1:25:06 AM
Status update03/15/2023 1:25:06 AM
Last indexation02/12/2024 11:27:10 AM
All rights reserved by Archive ouverte UNIGE and the University of GenevaunigeBlack