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B and D meson decay constants from 2+1 flavor improved staggered simulations
E. T. Neil, Jon A. Bailey, A. Bazavov +21
We give an update on simulation results for the decay constants f_B, f_{B_s}, f_D and f_{D_s}. These decay constants are important for precision tests of the standard model, in par…
B- and D-meson decay constants from three-flavor lattice QCD
A. Bazavov, C. Bernard, C. M. Bouchard +20
We calculate the leptonic decay constants of B_{(s)} and D_{(s)} mesons in lattice QCD using staggered light quarks and Fermilab bottom and charm quarks. We compute the heavy-light…
What the Tevatron Found?
Matthew R. Buckley, Dan Hooper, Joachim Kopp +2
The CDF collaboration has reported a 4.1σ excess in their lepton, missing energy, and dijets channel. This excess, which takes the form of an approximately Gaussian peak centered a…
Lattice Simulations and Infrared Conformality
Thomas Appelquist, George T. Fleming, Meifeng Lin +2
We examine several recent lattice-simulation data sets, asking whether they are consistent with infrared conformality. We observe, in particular, that for an SU(3) gauge theory wit…
Dark Forces At The Tevatron
Matt Buckley, Pavel Fileviez Perez, Dan Hooper +1
A simple explanation of the W+dijet excess recently reported by the CDF collaboration involves the introduction of a new gauge boson with sizable couplings to quarks, but with no o…
Light Z' Bosons at the Tevatron
Matthew R. Buckley, Dan Hooper, Joachim Kopp +1
New gauge bosons with Standard Model-like couplings to leptons are constrained by collider searches to be heavier than approximately ~1 TeV. A Z' boson with suppressed couplings to…