The angular power spectrum of the diffuse gamma-ray background as a probe of Galactic dark matter substructure

Preprint English OPEN
Siegal-Gaskins, Jennifer M.;
  • Subject: Astrophysics - High Energy Astrophysical Phenomena | Astrophysics - Cosmology and Nongalactic Astrophysics
    arxiv: Astrophysics::Galaxy Astrophysics | Astrophysics::Cosmology and Extragalactic Astrophysics | Astrophysics::High Energy Astrophysical Phenomena

Dark matter annihilation in Galactic substructure produces diffuse gamma-ray emission of remarkably constant intensity across the sky, and in general this signal dominates over the smooth halo signal at angles greater than a few tens of degrees from the Galactic Center.... View more
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