Properties of the $a_{1}$ Meson from Lattice QCD

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5 June 1995

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 74 (23) , 4596-4598
https://doi.org/10.1103/physrevlett.74.4596

Abstract

We determine the mass and decay constant of the

a_{1}

meson using Monte Carlo simulation of lattice QCD. We find

M_{a_{1}} = 1250 \pm 80

MeV and

f_{a_{1}} = 0.30 \pm 0.03 (GeV)^{2}

, in good agreement with experiment.

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