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The Contribution From TeV Halos to the Isotropic Gamma-Ray Background
Fei Xu, Dan Hooper
Recent observations have shown that pulsars are surrounded by extended regions which emit TeV-scale gamma rays through the inverse Compton scattering of very high energy electrons…
The Simplest and Most Predictive Model of Muon and Thermal Dark Matter
Ian Holst, Dan Hooper, Gordan Krnjaic
The long-standing muon anomaly may be the result of a new particle species which could also couple to dark matter and mediate its annihilations in the early univer…
Resurrecting the Fraternal Twin WIMP Miracle
David Curtin, Shayne Gryba, Dan Hooper +2
In Twin Higgs models which contain the minimal particle content required to address the little hierarchy problem (i.e. fraternal models), the twin tau has been identified as a prom…
Hunting super-heavy dark matter with ultra-high energy photons
Luis A. Anchordoqui, Corinne Berat, Mario E. Bertaina +17
At any epoch, particle physics must be open to completely unexpected discoveries, and that is reason enough to extend the reach of searches for ultra-high energy (UHE) photons. The…
Evidence of TeV Halos Around Millisecond Pulsars
Dan Hooper, Tim Linden
Using data from the HAWC gamma-ray Telescope, we have studied a sample of 37 millisecond pulsars (MSPs), selected for their spindown power and proximity. From among these MSP, we h…
The 511 keV Excess and Primordial Black Holes
Celeste Keith, Dan Hooper
An excess of 511 keV photons has been detected from the central region of the Milky Way. It has been suggested that the positrons responsible for this signal could be produced thro…