Two Loop Computation of the Schroedinger Functional in Lattice QCD

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dc.creatorBode, Achim
dc.creatorWeisz, Peter
dc.creatorWolff, Ulli
dc.date1999-11-15
dc.date2001-05-28
dc.date.accessioned2026-07-07T11:34:56Z
dc.date.available2026-07-07T11:34:56Z
dc.descriptionWe compute the Schroedinger functional (SF) for the case of lattice QCD with Wilson fermions (with and without SW improvement) at two-loop order in lattice perturbation theory. This allows us to extract the three-loop beta-function in the SF-scheme. These results are required to compute the running coupling, the Lambda-parameter and quark masses by finite size techniques with negligible systematic errors. In addition our results enable the implementation of two-loop O(a) improvement in SF-simulations.
dc.description30 pages, numerical changes in eqs.(A.9), (A.10), (5.6), (5.9), (5.12) due to the revision of hep-lat/9801007v2 (Christou et al.)
dc.identifierhttps://arxiv.org/abs/hep-lat/9911018
dc.identifierhttp://arxiv.org/abs/hep-lat/9911018
dc.identifierNucl.Phys.B576:517-539,2000; Erratum-ibid.B600:453,2001; Erratum-ibid.B608:481,2001
dc.identifierdoi:10.1016/S0550-3213(00)00187-5
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/198431
dc.subjectHigh Energy Physics - Lattice
dc.titleTwo Loop Computation of the Schroedinger Functional in Lattice QCD
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