Meson Decay Constants from the Valence Approximation to Lattice QCD

Details Meson Decay Constants from the Valence Approximation to Lattice QCD Meson Decay Constants from the Valence Approximation to Lattice QCD

1993-10-07

arxiv.org/abs/hep-lat/9310009v1

Nucl.Phys. B421 (1994) 217-240

Physics

High Energy Physics

High Energy Physics - Lattice

uufiles encoded copy of 40 page Latex article, including 14 figures in Postscript. The long version of hep-lat/9302012, IBM/HE

Scientific paper

10.1016/0550-3213(94)90232-1

We evaluate $f_{\pi}/ m_{\rho}$, $f_K/ m_{\rho}$, $1/f_{\rho}$, and $ m_{\phi}/(f_{\phi} m_{\rho})$, extrapolated to physical quark mass, zero lattice spacing and infinite volume, for lattice QCD with Wilson quarks in the valence (quenched) approximation. The predicted ratios differ from experiment by amounts ranging from 12\% to 17\% equivalent to between 0.9 and 2.8 times the corresponding statistical uncertainties.

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