PoS - Proceedings of Science
Volume 414 - 41st International Conference on High Energy physics (ICHEP2022) - Poster Session
Dark Matter Decay to Neutrinos
D. Delgado*, C. Arguelles, A. Friedlander, A. Kheirandish, I. Safa, A. Vincent and H. White
Full text: pdf
Pre-published on: November 29, 2022
Published on: June 15, 2023
Dark matter (DM) particles are predicted to decay into Standard Model particles which would
produce signals of neutrinos, gamma-rays, and other secondary particles. Neutrinos provide an
avenue to probe astrophysical sources of DM particles. We review the decay of dark matter
into neutrinos over a range of dark matter masses from MeV to ZeV. We examine the expected
contributions to the neutrino flux at current and upcoming neutrino and gamma-ray experiments,
such as Hyper-Kamiokande, DUNE, CTA, TAMBO, and IceCube-Gen2. We consider galactic
and extragalactic signals of decay processes into neutrino pairs, yielding constraints on the dark
matter decay lifetime that ranges from 𝜏 ∼ 1.2 × 10^21 s at 10 MeV to 1.5 × 10^29 s at 1 PeV.
DOI: https://doi.org/10.22323/1.414.0946
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