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Searching for Dark Matter in the CMB: A Compact Parameterization of Energy Injection from New Physics
Douglas P. Finkbeiner, Silvia Galli, Tongyan Lin +1
High-precision measurements of the temperature and polarization anisotropies of the cosmic microwave background radiation have been previously employed to set robust constraints on…
Sommerfeld-Enhanced Annihilation in Dark Matter Substructure: Consequences for Constraints on Cosmic-Ray Excesses
Tracy R. Slatyer, Natalia Toro, Neal Weiner
In models of dark matter (DM) with Sommerfeld-enhanced annihilation, where the annihilation rate scales as the inverse velocity, N-body simulations of DM structure formation sugges…
Massive amplitudes on the Coulomb branch of N=4 SYM
Nathaniel Craig, Henriette Elvang, Michael Kiermaier +1
We initiate a systematic study of amplitudes with massive external particles on the Coulomb-branch of N=4 super Yang Mills theory: 1) We propose that (multi-)soft-scalar limits of…
The cosmic X-ray and gamma-ray background from dark matter annihilation
Jesus Zavala, Mark Vogelsberger, Tracy R. Slatyer +2
(Abridged) The extragalactic background light (EBL) observed at multiple wavelengths is a promising tool to probe the nature of dark matter since it might contain a significant con…