Gamma-ray Constraints on Decaying Dark Matter and Implications for IceCube

  • April 24, 2017, 2:00 pm
  • Nicholas Rodd, MIT

Utilizing the Fermi measurement of the gamma-ray spectrum toward the inner Galaxy, I will explain how to derive some of the strongest constraints on dark matter lifetimes in the mass range from hundreds of MeV to above an EeV.  The limits derived disfavour a decaying DM interpretation of the astrophysical neutrino flux observed by IceCube, and I will review why that possibility has received some attention in the literature recently.