A tale of tails: Dark matter interpretations of the Fermi GeV excess in light of background model systematics

  title={A tale of tails: Dark matter interpretations of the Fermi GeV excess in light of background model systematics},
  author={Francesca Calore and Ilias Cholis and Christopher McCabe and Christoph Weniger},
  journal={Physical Review D},
Several groups have identified an extended excess of gamma rays over the modeled foreground and background emissions towards the Galactic center (GC) based on observations with the Fermi Large Area Telescope. This excess emission is compatible in morphology and spectrum with a telltale sign from dark matter (DM) annihilation. Here, we present a critical reassessment of DM interpretations of the GC signal in light of the foreground and background uncertainties that some of us recently outlaid in… 

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