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What Can Gamma Ray Bursts Teach Us About Dark Energy?
Dan Hooper, Scott Dodelson
It has been suggested that Gamma Ray Bursts (GRB) may enable the expansion rate of our Universe to be measured out to very high redshifts ($z \gsim 5$) just as type Ia supernovae h…
Improved Bounds on Universal Extra Dimensions and Consequences for LKP Dark Matter
Thomas Flacke, Dan Hooper, John March-Russell
We study constraints on models with a flat "Universal'' Extra Dimension in which all Standard Model fields propagate in the bulk. A significantly improved constraint on the compact…
Prospects For Detecting Dark Matter With Neutrino Telescopes In Light Of Recent Results From Direct Detection Experiments
Francis Halzen, Dan Hooper
Direct detection dark matter experiments, lead by the CDMS collaboration, have placed increasingly stronger constraints on the cross sections for elastic scattering of WIMPs on nuc…
Light Neutralino Dark Matter in the NMSSM
John F. Gunion, Dan Hooper, Bob McElrath
Neutralino dark matter is generally assumed to be relatively heavy, with a mass near the electroweak scale. This does not necessarily need to be the case, however. In the Next-to-M…
Exotic Neutrino Interactions at the Pierre Auger Observatory
Luis Anchordoqui, Tao Han, Dan Hooper +1
The Pierre Auger Observatory for cosmic rays provides a laboratory for studying fundamental interactions at energies well beyond those available at colliders. In addition to hadron…
Tidal Destruction of The First Dark Microhalos
HongSheng Zhao, Dan Hooper, Garry W. Angus +2
We point out that the usual self-similarity in cold dark matter models is broken by encounters with individual normal galactic stars on sub-pc scale. Tidal heating and stripping mu…