The Nf=0 heavy quark potential from short to intermediate distances
Silvia Necco, Rainer Sommer
Abstract
We study the potential of a static quark anti-quark pair in the range 0.05fm ≤ r ≤ 0.8fm, employing a sequence of lattices up to 644. Lattice artifacts in potential and force are investigated theoretically as well as numerically and continuum quantities are obtained by extrapolation of the results at finite lattice spacing. Consistency of the numerical results with the form of scaling violations predicted by an analysis `a la Symanzik is found. The scale r0/a is determined for the Wilson action up to beta=6.92.
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