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Properties of the a1 Meson from Lattice QCD
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Properties of the a1 Meson from Lattice QCD
classification
hep-ph
hep-lat
keywords
latticemesonagreementcarloconstantdecaydetermineexperiment
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 $f_{a_1} = 0.30 \pm 0.03 ~({\rm GeV})^2$, in good agreement with experiment.
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