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Gamma-ray and radio tests of the e+e- excess from DM annihilations
Gianfranco Bertone, Marco Cirelli, Alessandro Strumia +1
PAMELA and ATIC recently reported an excess in e+e- cosmic rays. We show that if it is due to Dark Matter annihilations, the associated gamma-ray flux and the synchrotron emission…
Minimal Dark Matter predictions and the PAMELA positron excess
Marco Cirelli, Alessandro Strumia
We present Minimal Dark Matter and its univocal predictions for Dark Matter observables. During the idm2008 conference, PAMELA presented preliminary results showing an excess in th…
Sterile neutrinos, lepton asymmetries, primordial elements: how much of each?
Yi-Zen Chu, Marco Cirelli
We investigate quantitatively the extent to which having a primordial leptonic asymmetry (n_nu \neq n_nubar) relaxes the bounds on light sterile neutrinos imposed by BBN and LSS. W…
Cosmology of neutrinos and extra light particles after WMAP3
Marco Cirelli, Alessandro Strumia
We study how present data probe standard and non-standard properties of neutrinos and the possible existence of new light particles, freely-streaming or interacting, among themselv…
Sterile Neutrinos in astrophysical and cosmological sauce
Marco Cirelli
The study of sterile neutrinos has recently acquired a different flavor: being now excluded as the dominant solution for the solar or atmospheric conversions, sterile neutrinos, st…