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Dark Sectors and New, Light, Weakly-Coupled Particles
R. Essig, J. A. Jaros, W. Wester +86
Dark sectors, consisting of new, light, weakly-coupled particles that do not interact with the known strong, weak, or electromagnetic forces, are a particularly compelling possibil…
Current Dark Matter Annihilation Constraints from CMB and Low-Redshift Data
Mathew S. Madhavacheril, Neelima Sehgal, Tracy R. Slatyer
Updated constraints on dark matter cross section and mass are presented combining CMB power spectrum measurements from Planck, WMAP9, ACT, and SPT as well as several low-redshift d…
Wino Dark Matter Under Siege
Timothy Cohen, Mariangela Lisanti, Aaron Pierce +1
A fermion triplet of SU(2)_L - a wino - is a well-motivated dark matter candidate. This work shows that present-day wino annihilations are constrained by indirect detection experim…
Systematic Uncertainties In Constraining Dark Matter Annihilation From The Cosmic Microwave Background
Silvia Galli, Tracy R. Slatyer, Marcos Valdes +1
Anisotropies of the cosmic microwave background (CMB) have proven to be a very powerful tool to constrain dark matter annihilation at the epoch of recombination. However, CMB const…
Pulsars Cannot Account for the Inner Galaxy's GeV Excess
Dan Hooper, Ilias Cholis, Tim Linden +2
Using data from the Fermi Gamma-Ray Space Telescope, a spatially extended component of gamma rays has been identified from the direction of the Galactic Center, peaking at energies…
Two Emission Mechanisms in the Fermi Bubbles: A Possible Signal of Annihilating Dark Matter
Dan Hooper, Tracy R. Slatyer
We study the variation of the spectrum of the Fermi Bubbles with Galactic latitude. Far from the Galactic plane (|b| > 30 degrees), the observed gamma-ray emission is nearly invari…