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

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

2005-05-14

arxiv.org/abs/hep-lat/0505015v1

Phys.Lett.B628:66-72,2005

Physics

High Energy Physics

High Energy Physics - Lattice

13 pages, 1 figure

Scientific paper

10.1016/j.physletb.2005.09.036

We compute lattice renormalisation constants of one-link quark operators ({\it i.e.} operators with one covariant derivative) for overlap fermions and L\"uscher-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 \beta=8.45, \beta=8.0 and mass parameter \rho=1.4, which are commonly used in numerical simulations. We apply mean field (tadpole) improvement to our results.

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