Journal
PHYSICS LETTERS B
Volume 692, Issue 3, Pages 184-188Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2010.07.037
Keywords
Lattice QCD; Chiral perturbation theory; Chiral extrapolation; Low-energy constants
Funding
- EU [MRTN-CT-2006-035482]
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We propose analytic approximations of chiral SU(3) amplitudes for the extrapolation of lattice data to the physical meson masses. The method allows the determination of NNLO low-energy constants in a controllable fashion. We test the approach with recent lattice data for the ratio F-K/F-pi of meson decay constants. (C) 2010 Elsevier B.V. All rights reserved.
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