Chiral Perturbation Theory at Finite Volume and/or with Twisted Boundary Conditions

2016/11/18 by Bijnens, Johan, Relefors, Johan
#FOS: Physical sciences #High Energy Physics - Lattice (hep-lat)

paper · doi:10.48550/arxiv.1611.06068

Abstract

In this talk we discuss a number of ChPT calculations relevant for lattice QCD. These include the finite volume corrections at two-loop order for masses and decay constants. The second part is about hadronic vacuum polarization where we present the two-loop ChPT estimate for the disconnected and strange quark contributions. We also present the finite volume corrections at two-loop order. The final part is the one-loop finite volume with twisted boundary conditions contribution to f₊(q²) and the full K_ℓ3 amplitude

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