Chiral extrapolation of SU(3) amplitudes

Details Chiral extrapolation of SU(3) amplitudes Chiral extrapolation of SU(3) amplitudes

2010-12-07

arxiv.org/abs/1012.1522v1

AIP Conf.Proc.1343:265-267,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, 1 figure, Talk presented at "Quark Confinement and the Hadron Spectrum IX", Aug. 30 - Sept. 3, 2010, Madrid, Spain, t

Scientific paper

10.1063/1.3574997

Approximations of chiral SU(3) amplitudes at NNLO are proposed to facilitate the extrapolation of lattice data to the physical meson masses. Inclusion of NNLO terms is essential for investigating convergence properties of chiral SU(3) and for determining low-energy constants in a controllable fashion. The approximations are tested with recent lattice data for the ratio of decay constants F_K/F_pi.

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