Neutrinos from Earth-bound dark matter annihilation

Maxim Pospelov, Anupam Ray

Research output: Contribution to journalArticlepeer-review


A sub-component of dark matter with a short collision length compared to a planetary size leads to efficient accumulation of dark matter in astrophysical bodies. We analyze possible neutrino signals from the annihilation of such dark matter and conclude that in the optically thick regime for dark matter capture, the Earth provides the largest neutrino flux. Using the results of the existing searches, we consider two scenarios for the neutrino flux, from stopped mesons and prompt higher-energy neutrinos. In both cases we exclude some previously unexplored parts of the parameter space (dark matter mass, its abundance, and the scattering cross section on nuclei) by recasting the existing neutrino searches.

Original languageEnglish (US)
Article number029
JournalJournal of Cosmology and Astroparticle Physics
Issue number1
StatePublished - Jan 1 2024
Externally publishedYes

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  • dark matter theory
  • neutrino detectors


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