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

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

2009-12-04

arxiv.org/abs/0912.0742v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, 8 figures. Final version

Scientific paper

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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