Preprint
Oct 2026
MeV dark matter decay forecasts for the COSI mission
The decay of dark matter (DM) is a generic prediction of many particle physics models, producing distinctive monochromatic signatures in environments such as the Galactic halo. Searches for decaying DM in the elusive'MeV gap'have remained conspicuously under-explored, despite well-motivated models including axion-like...
Robin Anthony-Petersen, O. Ning, Yuta Watanabe et al.
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