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17 papers · 2 filters
Production of the X(3872) at the Tevatron and the LHC
Pierre Artoisenet, Eric Braaten
We predict the differential cross sections for production of the X(3872) at the Tevatron and the Large Hadron Collider from both prompt QCD mechanisms and from decays of b hadrons.…
String Model Building
Stuart Raby
In this talk I review some recent progress in heterotic and F theory model building. I then consider work in progress attempting to find the F theory dual to a class of heterotic o…
Precision gauge unification in the MSSM
Stuart Raby, Michael Ratz, Kai Schmidt-Hoberg
We discuss the issue of precision gauge unification in the MSSM. We find that a comparably light gluino, as it emerges in certain patterns of soft supersymmetry breaking, can be a…
Systematic Uncertainties in Theoretical Predictions of Jet Quenching
W. A. Horowitz, B. A. Cole
We find that the current radiative energy loss kernels obtained from the opacity expansion dramatically violate the collinear approximation used in their derivation. By keeping onl…
Precise charm to strange mass ratio and light quark masses from full lattice QCD
C. T. H. Davies, C. McNeile, K. Y. Wong +6
By using a single formalism to handle charm, strange and light valence quarks in full lattice QCD for the first time, we are able to determine ratios of quark masses to 1%. For $m_…
A pQCD-based description of heavy and light flavor jet quenching
Guang-You Qin, Abhijit Majumder
We present a successful description of the medium modification of light and heavy flavor jets within a perturbative QCD (pQCD) based approach. Only the couplings involving hard par…