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Properties of the a1 Meson from Lattice QCD

Matthew Wingate, Thomas DeGrand, Sara Collins, Urs M. Heller

hep-pharXiv:hep-ph/9502274

Abstract

We determine the mass and decay constant of the a1 meson using Monte Carlo simulation of lattice QCD. We find Ma1 = 1250 80 MeV and fa1 = 0.30 0.03 ~( GeV)2, in good agreement with experiment.

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