One-loop renormalisation for the second moment of GPDs with Wilson fermions

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We calculate the non-forward quark matrix elements for operators with two covariant derivatives in one-loop lattice perturbation theory using Wilson fermions. These matrix elements are needed in the renormalisation of the second moment of generalised parton distributions measured in lattice QCD. For some commonly used representations of the hypercubic group we determine the sets of all mixing operators and find the matrices of mixing and renormalisation factors.
Lattice 2004(improved), 3 pages, LaTeX style file, espcrc2.sty included

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High Energy Physics - Lattice

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http://salesiana.dossiersoluciones.com/handle/123456789/201196

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-lat/0409025
 http://arxiv.org/abs/hep-lat/0409025
 Nucl.Phys.Proc.Suppl.140:722-724,2005
 doi:10.1016/j.nuclphysbps.2004.11.351

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