Full QED+QCD Low-Energy Constants through Reweighting
classification
✦ hep-lat
hep-exhep-ph
keywords
fullreweightingchargeconstantselectromagneticlow-energymethodquark
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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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