Renormalization and O(a)-improvement of the static-light axial current
arXiv:hep-lat/0007002 · doi:10.1016/S0550-3213(00)00750-1
Abstract
A systematic treatment of O(a)-improvement in lattice theories with static quarks is presented. The Schrödinger functional is discussed and a renormalization condition for the static axial current in the SF-scheme is introduced. Its relation to other schemes is computed to 1-loop order and the 2-loop anomalous dimension is derived. In finite volume renormalization schemes such as the SF-scheme, the renormalization scale dependence of the renormalized quantities is described by the step scaling function which can be computed by MC- simulations. We evaluate its lattice spacing effects in perturbation theory.
42 pages, 19 eps figures; Improved notation and discussion for the case of finite delta m; corrected and added one reference
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Cited by in corpus (35)
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