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Probing the Chiral Limit in 2+1 Flavor Domain Wall Fermion QCD
Presenter: Meifeng Lin — Columbia University
Meifeng Lin (for the RBC and UKQCD Collaborations)
Lattice QCD simulations with domain wall fermions provide us with an opportunity to test the presence of chiral logs in the light quark mass limit using continuum-like chiral perturbation theory. I present results for the light pseudoscalar meson masses and decay constants from recent 2+1 flavor domain wall fermion simulations in a (3 fm)3 volume, with light dynamical quark masses as light as ms/5, and partially quenched quark masses as light as ms/10, where ms is the physical strange quark mass. Comparisons with next-to-leading order chiral perturbation theory are given.
© 2006, University of Regensburg, Dept. of Physicscontact: lat07 at physik.uni-regensburg.de