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2009

Robust implications on Dark Matter from the first FERMI sky gamma map

Papucci, Michele, Strumia, Alessandro

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We derive robust model-independent bounds on DM annihilations and decays from the first year of FERMI gamma-ray observations of the whole sky.

These bounds only have a mild dependence on the DM density profile and allow the following DM interpretations of the PAMELA and FERMI electron/positron excesses: primary channels mu+ mu-, mu+ mu-mu+mu- or e+ e- e+ e-.
An isothermal-like density profile is needed for annihilating DM.
In all such cases, FERMI gamma spectra must contain a significant DM component, that may be probed in the future.

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G. Bertone, W. Buchmuller, L. Covi and A. Ibarra, JCAP 0711 (2007) 003 [arXiv:0709.2299]. The FERMI bound extra-Galactic bound was computed in C.-R. Chen, S.K. Mandal, F. Takahashi, arXiv:
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