Renormalisation of one-link quark operators for overlap fermions with Lüscher-Weisz gauge action

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We compute lattice renormalisation constants of one-link quark operators ({\it i.e.} operators with one covariant derivative) for overlap fermions and Lüscher-Weisz gauge action in one-loop perturbation theory. Among others, such operators enter the calculation of moments of polarised and unpolarised hadron structure functions. Results are given for β=8.45, β=8.0 and mass parameter ρ=1.4, which are commonly used in numerical simulations. We apply mean field (tadpole) improvement to our results.
13 pages, 1 figure

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High Energy Physics - Lattice

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http://salesiana.dossiersoluciones.com/handle/123456789/201208

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-lat/0505015
 http://arxiv.org/abs/hep-lat/0505015
 Phys.Lett.B628:66-72,2005
 doi:10.1016/j.physletb.2005.09.036

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