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arXiv · hep-lat/9209007

SU(2) Potentials from Large Lattices

The UKQCD Collaboration·S. P. Booth·A. Hulsebos·A. C. Irving·A. McKerrell·C. Michael·P. S. Spencer·P. W. Stephenson
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Abstract

We measure accurate values of the inter-quark potentials on a $48^{3}56$ lattice with SU(2) pure gauge theory at $ β=2.85$. The scale is set by extracting the string tension - we obtain ${\sqrt K}a=0.063(3)$ at $β=2.85.$ From a careful study of the small-$R$ potentials in the region 2 GeV $< R^{-1} < 5$ GeV, we extract a running coupling constant and estimate the scale $Λ_{\msbar} = 272(24)$ MeV.

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The UKQCD Collaboration, S. P. Booth, A. Hulsebos, A. C. Irving, A. McKerrell, C. Michael, P. S. Spencer, P. W. Stephenson. 1992-09-03. SU(2) Potentials from Large Lattices. https://doi.org/10.1016/0550-3213(93)90023-i

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