Searching for Primordial Black Holes in the Radio and X-Ray Sky.

  title={Searching for Primordial Black Holes in the Radio and X-Ray Sky.},
  author={D. Gaggero and G. Bertone and F. Calore and R. Connors and M. Lovell and S. Markoff and E. Storm},
  journal={Physical review letters},
  volume={118 24},
We model the accretion of gas onto a population of massive primordial black holes in the Milky Way and compare the predicted radio and x-ray emission with observational data. We show that, under conservative assumptions on the accretion process, the possibility that O(10)M_{⊙} primordial black holes can account for all of the dark matter in the Milky Way is excluded at 5σ by a comparison with a Very Large Array radio catalog at 1.4 GHz and at ≃40σ by a comparison with a Chandra x-ray catalog (0… Expand
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