Full QED+QCD low-energy constants through reweighting

Details Full QED+QCD low-energy constants through reweighting Full QED+QCD low-energy constants through reweighting

2012-02-27

arxiv.org/abs/1202.6018v1

Physics

High Energy Physics

High Energy Physics - Lattice

5 pages, 8 figures, REVTeX

Scientific paper

The effect of sea quark electromagnetic charge on meson masses is investigated, and first results for full QED+QCD low-energy constants are presented. The electromagnetic charge for sea quarks is incorporated in quenched QED+full QCD lattice simulations by a reweighting method. The reweighting factor, which connects quenched and unquenched QED, is estimated using a stochastic method on 2+1 flavor dynamical domain-wall quark ensembles.

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