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172 papers · 1 filter
M-Theory Moduli Space and Cosmology
R. Brustein, S. P. de Alwis, E. G. Novak
We conduct a systematic search for a viable string/M-theory cosmology, focusing on cosmologies that include an era of slow-roll inflation, after which the moduli are stabilized and…
Deconstructing HD 28867
Frederick M. Walter, Tracy L. Beck, Jon A. Morse +1
The 3" pair of B9 stars, HD 28867, is one of the brightest X-ray sources in the Taurus-Auriga star forming region. In this multi-wavelength study, we attempt to deduce the source o…
Cosmic Ray History and its Implications for Galactic Magnetic Fields
Ellen G. Zweibel
There is evidence that cosmic rays were present in galaxies at moderately high redshift. This suggests that magnetic fields were also present. If cosmic rays and magnetic fields mu…
Does the Charm Flow at RHIC?
S. Batsouli, S. Kelly, M. Gyulassy +1
Recent PHENIX Au+Au -> e- + X data from open charm decay are shown to be consistent with two extreme opposite dynamical scenarios of ultra-relativistic nuclear reactions. Perturbat…
Comment on "Freezing by heating in a driven mesoscopic system"
Leo Radzihovsky, Noel A. Clark
We point out that the phenomenon ``heating by freezing'' discovered in nonequilibrium simulations by Helbing, et al. (PRL 84, 1240 (2000)) extends to equilibrium systems as well. W…
Proton mass effects in wide-angle Compton scattering
M. Diehl, Th. Feldmann, H. W. Huang +1
We investigate proton mass effects in the handbag approach to wide-angle Compton scattering. We find that theoretical uncertainties due to the proton mass are significant for photo…