Continuous external momenta in non-perturbative lattice simulations: a computation of renormalization factors

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dc.creatorGuagnelli, M.
dc.creatorJansen, K.
dc.creatorPalombi, F.
dc.creatorPetronzio, R.
dc.creatorShindler, A.
dc.creatorWetzorke, I.
dc.date2003-03-18
dc.date.accessioned2026-07-07T10:28:38Z
dc.date.available2026-07-07T10:28:38Z
dc.descriptionWe discuss the usage of continuous external momenta for computing renormalization factors as needed to renormalize operator matrix elements. These kind of external momenta are encoded in special boundary conditions for the fermion fields. The method allows to compute certain renormalization factors on the lattice that would have been very difficult, if not impossible, to compute with standard methods. As a result we give the renormalization group invariant step scaling function for a twist-2 operator corresponding to the average momentum of non-singlet quark densities.
dc.description28 pages, 10 figures
dc.identifierhttps://arxiv.org/abs/hep-lat/0303012
dc.identifierhttp://arxiv.org/abs/hep-lat/0303012
dc.identifierNucl.Phys.B664:276-298,2003
dc.identifierdoi:10.1016/S0550-3213(03)00394-8
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/177514
dc.subjectHigh Energy Physics - Lattice
dc.titleContinuous external momenta in non-perturbative lattice simulations: a computation of renormalization factors
dc.typetext

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