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The Effects of the Sagittarius Dwarf Tidal Stream on Dark Matter Detectors
Katherine Freese, Paolo Gondolo, Heidi Jo Newberg +1
The Sagittarius dwarf tidal stream may be showering dark matter onto the solar neighborhood, which can change the results and interpretation of WIMP direct detection experiments. S…
Detectability of Weakly Interacting Massive Particles in the Sagittarius Dwarf Tidal Stream
Katherine Freese, Paolo Gondolo, Heidi Jo Newberg
Tidal streams of the Sagittarius dwarf spheroidal galaxy (Sgr) may be showering dark matter onto the solar system and contributing approx (0.3--23)% of the local density of our Gal…
What Can WMAP Tell Us About The Very Early Universe? New Physics as an Explanation of Suppressed Large Scale Power and Running Spectral Index
Mar Bastero-Gil, Katherine Freese, Laura Mersini-Houghton
The Wilkinson Microwave Anisotropy Probe microwave background data may be giving us clues about new physics at the transition from a ``stringy'' epoch of the universe to the standa…
The Phase of the Annual Modulation as a Tool for Determining the WIMP Mass
Matthew J. Lewis, Katherine Freese
The count rate of Weakly Interacting Massive Particle (WIMP) dark matter candidates in direct detection experiments experiences an annual modulation due to the Earth's motion aroun…
Hagedorn Inflation: Open Strings on Branes Can Drive Inflation
Steven Abel, Katherine Freese, Ian Kogan
We demonstrate an inflationary solution to the cosmological horizon problem during the Hagedorn regime in the early universe. Here the observable universe is confined to three spat…
Future Type Ia Supernova Data as Tests of Dark Energy from Modified Friedmann Equations
Yun Wang, Katherine Freese, Paolo Gondolo +1
In the Cardassian model, dark energy density arises from modifications to the Friedmann equation, which becomes $H^2 = g(\rhom)$, where $g(\rhom)$ is a new function of the energy d…