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Recently, it was suggested that the gamma rays observed by the Fermi GammaRay Space Telescope from the direction of the galactic center couldsurprisingly well be described by a dark matter annihilation scenario, both interms of their angular distribution and energy spectrum. Here, I point out thatsuch a scenario would be in considerable tension with existing antiproton data,in particular the new PAMELA measurements. Radio data are even moreconstraining, thus disfavoring the dark matter hypothesis and making anastrophysical explanation of the observations much more plausible.

Antiproton and Radio Constraints on the Dark Matter Interpretation of the Fermi Gamma Ray Observations of the Galactic Center