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arXiv · hep-lat/9302012

Meson Decay Constant Predictions of the Valence Approximation to Lattice QCD

F. Butler·H. Chen·J. Sexton·A. Vaccarino·D. Weingarten
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Abstract

We evaluate $f_π/ m_ρ$, $f_K/ m_ρ$, $1/f_ρ$, and $ m_ϕ/(f_ϕ m_ρ)$, extrapolated to physical quark mass, zero lattice spacing and infinite volume, for lattice QCD with Wilson quarks in the valence (quenched) approximation. The predicted $m_ϕ/(f_ϕ m_ρ)$ differs from experiment by less than its statistical uncertainty of approximately 15\%. The other three constants are 10\% to 20\% below experiment, equivalent to between one and two times the corresponding statistical uncertainties.

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F. Butler, H. Chen, J. Sexton, A. Vaccarino, D. Weingarten. 1993-03-03. Meson Decay Constant Predictions of the Valence Approximation to Lattice QCD. https://arxiv.org/abs/hep-lat/9302012

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