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

Horsley, R.; Perlt, H.; Rakow, P.E.L.; Schierholz, G. and Schiller, A. (2005) Renormalisation of one-link quark operators for overlap fermions with Lüscher-Weisz gauge action. Physics Letters B, 628 (1-2). pp. 66-72. ISSN 0370-2693

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Official URL: http://www.elsevier.com/wps/find/journaldescriptio...

Abstract

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.

Item Type:Article
Additional Information:LTH 648; arXiv Number: arXiv:hep-lat/0505015v1. Available online 28 September 2005. Issue: 3 November 2005.
Uncontrolled Keywords:LATTICE PERTURBATION-THEORY; EXACTLY MASSLESS QUARKS; QCD
Subjects:Q Science > QC Physics
Departments, Research Centres and Related Units:Academic Faculties, Institutes and Research Centres > Faculty of Science > Department of Mathematical Sciences
DOI:10.1016/j.physletb.2005.09.036
Related URLs:
Refereed:No
Status:Published
ID Code:422
Deposited On:18 Aug 2008 14:23
Last Modified:20 May 2011 14:37

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