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GeV excess in the Milky Way: The role of diffuse galactic gamma-ray emission templates

GeV excess in the Milky Way: The role of diffuse galactic gamma-ray emission templates

Several groups have analyzed the publicly-available Fermi-LAT data and reported a spatially extended $\gamma-$ray excess of around $1-3$ GeV from the region surrounding the Galactic Center that might originate from annihilation of dark matter particles with a rest mass $m_\chi \sim 30-40$ GeV. In this work we examine the role …