Analytic Approximations for the Extrapolation of Lattice Data
classification
✦ hep-ph
hep-lat
keywords
datalatticeanalyticapproximationsextrapolationamplitudesapproximationchiral
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We present analytic approximations of chiral SU(3) amplitudes for the extrapolation of lattice data to the physical masses and the determination of Next-to-Next-to-Leading-Order low-energy constants. Lattice data for the ratio F_K/F_pi is used to test the approximation proposed.
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