Diffuse gamma ray constraints on annihilating or decaying Dark Matter after Fermi

作者: Marco Cirelli , Paolo Panci , Pasquale D. Serpico

DOI: 10.1016/J.NUCLPHYSB.2010.07.010

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摘要: Abstract We consider the diffuse gamma ray data from Fermi first year observations and compare them to fluxes predicted by Dark Matter annihilation or decay (both prompt emission Inverse Compton Scattering), for different observation regions of sky a range masses, annihilation/decay channels galactic profiles. find that exclude large parameter space not constrained otherwise discuss possible directions future improvements. Also, we further constrain interpretations e ± PAMELA / spectral anomalies, both annihilating decaying case: under very conservative assumptions, only models producing dominantly μ assuming cored profile can fit lepton with masses around ∼ 2 TeV .

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