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

Abstract

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

References in corpus (3)

• Quark spectra and light hadron phenomenology from overlap fermions with improved gauge field action
• One-loop renormalisation of quark bilinears for overlap fermions with improved gauge actions
• A lattice determination of g_A and <x> from overlap fermions

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