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A Systematic Study of Hidden Sector Dark Matter: Application to the Gamma-Ray and Antiproton Excesses
Dan Hooper, Rebecca K. Leane, Yu-Dai Tsai +2
In hidden sector models, dark matter does not directly couple to the particle content of the Standard Model, strongly suppressing rates at direct detection experiments, while still…
Mediated WIMPs: Dead, Dying, or Soon to be Detected?
Carlos Blanco, Miguel Escudero, Dan Hooper +1
Although weakly interacting massive particles (WIMPs) have long been among the most studied and theoretically attractive classes of candidates for the dark matter of our universe,…
Annihilation Signatures of Hidden Sector Dark Matter Within Early-Forming Microhalos
Carlos Blanco, M. Sten Delos, Adrienne L. Erickcek +1
If the dark matter is part of a hidden sector with only very feeble couplings to the Standard Model, the lightest particle in the hidden sector will generically be long-lived and c…
Dark Radiation and Superheavy Dark Matter from Black Hole Domination
Dan Hooper, Gordan Krnjaic, Samuel D. McDermott
If even a relatively small number of black holes were created in the early universe, they will constitute an increasingly large fraction of the total energy density as space expand…
Superheavy Dark Matter and ANITA's Anomalous Events
Dan Hooper, Shalma Wegsman, Cosmin Deaconu +1
The ANITA experiment, which is designed to detect ultra-high energy neutrinos, has reported the observation of two anomalous events, directed at angles of and $35^{\ci…
A Robust Excess in the Cosmic-Ray Antiproton Spectrum: Implications for Annihilating Dark Matter
Ilias Cholis, Tim Linden, Dan Hooper
An excess of 10-20 GeV cosmic-ray antiprotons has been identified in the spectrum reported by the AMS-02 Collaboration. The systematic uncertainties associated with this sign…