Revealing dark matter substructure with anisotropies in the diffuse gamma-ray background

  title={Revealing dark matter substructure with anisotropies in the diffuse gamma-ray background},
  author={J. Siegal-Gaskins},
  journal={Journal of Cosmology and Astroparticle Physics},
  • J. Siegal-Gaskins
  • Published 2008
  • Physics
  • Journal of Cosmology and Astroparticle Physics
  • The majority of gamma-ray emission from galactic dark matter annihilation is likely to be detected as a contribution to the diffuse gamma-ray background. I show that dark matter substructure in the halo of the Galaxy induces characteristic anisotropies in the diffuse background that could be used to determine the small-scale dark matter distribution. I calculate the angular power spectrum of the emission from dark matter substructure for several models of the subhalo population and show that… CONTINUE READING

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