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Journal article
Search for neutrinos from decaying dark matter with IceCube: IceCube Collaboration
The European physical journal. C, Particles and fields, v 78(10), pp 831-831
2018
PMID: 30930683
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
With the observation of high-energy astrophysical neutrinos by the IceCube Neutrino Observatory, interest has risen in models of PeV-mass decaying dark matter particles to explain the observed flux. We present two dedicated experimental analyses to test this hypothesis. One analysis uses 6 years of IceCube data focusing on muon neutrino track' events from the Northern Hemisphere, while the second analysis uses 2 years of cascade' events from the full sky. Known background components and the hypothetical flux from unstable dark matter are fitted to the experimental data. Since no significant excess is observed in either analysis, lower limits on the lifetime of dark matter particles are derived: we obtain the strongest constraint to date, excluding lifetimes shorter than 10(28) s at 90% CL for dark matter masses above 10 TeV.
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Details
- Title
- Search for neutrinos from decaying dark matter with IceCube
- Creators
- Maryon Ahrens - Oskar Klein-centrum för kosmopartikelfysik (OKC)Christian Bohm - Stockholm UniversityJonathan P. Dumm - Stockholm UniversityChad Finley - Stockholm UniversitySamuel Flis - Stockholm UniversityKlas Hultqvist - Stockholm UniversityErin O'Sullivan - Oskar Klein-centrum för kosmopartikelfysik (OKC)Christian Walck - Stockholm UniversityIceCube Collaboration
- Publication Details
- The European physical journal. C, Particles and fields, v 78(10), pp 831-831
- Publisher
- Springer Nature
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Physics
- Web of Science ID
- WOS:000447535000002
- Scopus ID
- 2-s2.0-85055087104
- Other Identifier
- 991019168074804721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Physics, Particles & Fields