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Updated search for spectral lines from Galactic dark matter interactions with pass 8 data from the Fermi Large Area Telescope
Dark matter in the Milky Way may annihilate directly into gamma rays, producing a monoenergetic spectral line. Therefore, detecting such a signature would be strong evidence for dark matter annihilation or decay. We search for spectral lines in the Fermi Large Area Telescope observations of the Milky Way halo in …