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paper

Hadronic coupling constants in lattice QCD

arXiv:hep-lat/9401001 · doi:10.1016/0920-5632(94)90394-8

Abstract

We report on calculations of the hadronic coupling constants $g_{ρππ}$ and $g_{nnπ}$ based on lattice QCD with four flavors of dynamical staggered fermions. By computing 2--point and 3--point Green's functions we have been able to determine these coupling constants ab initio from QCD; the results are compatible with the experimental values.

3 Pages