Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10725092 | Physics Letters B | 2011 | 7 Pages |
Abstract
For a few observables in O(a) improved lattice QCD, we compute discretization effects arising from the vacuum polarization of a heavy quark at one-loop order. In particular, the force between static quarks, the running coupling in the Schrödinger functional and a related quantity, v¯, are considered. Results show that the cutoff effects of a dynamical charm quark are typically smaller than those present in the pure gauge theory. This perturbative result is a good indication that dynamical charm quarks are feasible already now.
Related Topics
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Authors
ALPHA Collaboration ALPHA Collaboration, Andreas Athenodorou, Rainer Sommer,