A 0.1% dark matter fraction of 1e-19 to 1e-17 solar mass primordial black holes fits Coma's GeV gamma-ray emission, but evaporating PBHs contribute negligibly to the unresolved gamma-ray background and Draco X shows no gamma-ray excess.
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Primordial Black Holes as Coma Cluster Dark Matter and the Unresolved {\gamma}-Ray Background
A 0.1% dark matter fraction of 1e-19 to 1e-17 solar mass primordial black holes fits Coma's GeV gamma-ray emission, but evaporating PBHs contribute negligibly to the unresolved gamma-ray background and Draco X shows no gamma-ray excess.