Can dark matter annihilations explain the AMS-02 positron data?
classification
🌌 astro-ph.HE
astro-ph.CO
keywords
darkdatamatterpositronams-02annihilationsbackgroundconsistent
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We show that no dark matter model with the conventional isotropic density distribution can provide a satisfactory explanation of the cosmic positron excess, while being consistent with Fermi-LAT data on diffuse gamma-ray background.
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