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25 papers · 2 filters
Single Top Quark Production at the LHC: Understanding Spin
Gregory Mahlon, Stephen Parke
We show that the single top quarks produced in the Wg-fusion channel at a proton-proton collider at a center-of-mass energy sqrt{s}=14 TeV posses a high degree of polarization in t…
A Higgs or Not a Higgs? What to Do if You Discover a New Scalar Particle
C. P. Burgess, J. Matias, M. Pospelov
We show how to systematically analyze what may be inferred should a new scalar particle be discovered in collider experiments. Our approach is systematic in the sense that we perfo…
Coherence Time Effects on J/psi Production and Suppression in Relativistic Heavy Ion Collisions
Charles Gale, Sangyong Jeon, Joseph Kapusta
Using a coherence time extracted from high precision proton-nucleus Drell-Yan measurements and a nuclear absorption cross section extracted from pA charmonium production experiment…
Polarized Heavy Quark Photoproduction in Next to Leading Order
Z. V. Merebashvili, A. P. Contogouris, G. Grispos
Results of our next-to-leading order analytic calculation for longitudinally polarized photoproduction of heavy quarks are presented. Certain differential cross sections and the co…
On the QCD Ground State at High Density
Nick Evans, James Hormuzdiar, Stephen D. H. Hsu +1
We investigate the possible ground states of QCD at asymptotic densities, where the theory is expected to exhibit color superconductivity. We characterize the color-flavor structur…
Inflating Intersecting Branes and Remarks on the Hierarchy Problem
J. Cline, C. Grojean, G. Servant
We generalize solutions of Einstein's equations for intersecting branes in higher dimensional spacetimes to the nonstatic case, modeling an expanding universe. The relation between…