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10 papers · 2 filters
Investigations of QCD at non-zero isospin density
Zhifeng Shi, William Detmold
We investigate the QCD phase diagram as a function of isospin chemical potential at a fixed temperature by directly putting large numbers of π^+s into the system. Correlation funct…
The Deuteron and Exotic Two-Body Bound States from Lattice QCD
S. R. Beane, E. Chang, W. Detmold +7
Results of a high-statistics, multi-volume Lattice QCD exploration of the deuteron, the di-neutron, the H-dibaryon, and the Xi-Xi- system at a pion mass of m ~ 390 MeV are presente…
Axial couplings and strong decay widths of heavy hadrons
William Detmold, C. -J. David Lin, Stefan Meinel
We calculate the axial couplings of mesons and baryons containing a heavy quark in the static limit using lattice QCD. These couplings determine the leading interactions in heavy h…
Electromagnetic Polarizabilities: Lattice QCD in Background Fields
W. Detmold, B. C. Tiburzi, A. Walker-Loud
Chiral perturbation theory makes definitive predictions for the extrinsic behavior of hadrons in external electric and magnetic fields. Near the chiral limit, the electric and magn…
Axial couplings in heavy hadron chiral perturbation theory at the next-to-leading order
William Detmold, C. -J. David Lin, Stefan Meinel
We present calculations of axial-current matrix elements between various heavy-meson and heavy-baryon states to the next-to-leading order in heavy hadron chiral perturbation theory…
SU(2) Low-Energy Constants from Mixed-Action Lattice QCD
S. R. Beane, W. Detmold, P. M. Junnarkar +6
An analysis of the pion mass and pion decay constant is performed using mixed-action Lattice QCD calculations with domain-wall valence quarks on ensembles of rooted, staggered n_f…