Partially Quenched Chiral Perturbation Theory to NNLO
classification
✦ hep-lat
keywords
chiralconstantsnnlopartiallyperturbationquenchedtheoryapplications
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This paper summarizes the recent calculations of the masses and decay constants of the pseudoscalar mesons at the two-loop level, or NNLO, in Partially Quenched Chiral Perturbation Theory (PQxPT). Possible applications include chiral extrapolations of Lattice QCD, as well as the determination of the low-energy constants (LEC:s) of QCD.
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