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Evidence for Unresolved Gamma-Ray Point Sources in the Inner Galaxy
Samuel K. Lee, Mariangela Lisanti, Benjamin R. Safdi +2
We present a new method to characterize unresolved point sources (PSs), generalizing traditional template fits to account for non-Poissonian photon statistics. We apply this method…
Indirect Dark Matter Signatures in the Cosmic Dark Ages II. Ionization, Heating and Photon Production from Arbitrary Energy Injections
Tracy R. Slatyer
Any injection of electromagnetically interacting particles during the cosmic dark ages will lead to increased ionization, heating, production of Lyman-alpha photons and distortions…
Indirect Dark Matter Signatures in the Cosmic Dark Ages I. Generalizing the Bound on s-wave Dark Matter Annihilation from Planck
Tracy R. Slatyer
Recent measurements of the cosmic microwave background (CMB) anisotropies by Planck provide a sensitive probe of dark matter annihilation during the cosmic dark ages, and specifica…
Multi-Step Cascade Annihilations of Dark Matter and the Galactic Center Excess
Gilly Elor, Nicholas L. Rodd, Tracy R. Slatyer
If dark matter is embedded in a non-trivial dark sector, it may annihilate and decay to lighter dark-sector states which subsequently decay to the Standard Model. Such scenarios -…