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Non-perturbative renormalisation and improvement of the local vector current for quenched and unquenched Wilson fermions

Bakeyev, T.; Göckeler, M.; Horsley, R.; Pleiter, D.; Rakow, P.E.L.; Schierholz, G. and Stüben, H. (2004) Non-perturbative renormalisation and improvement of the local vector current for quenched and unquenched Wilson fermions. Physics Letters B, 580 (3-4). pp. 197-208. ISSN 0370-2693

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

Cited 20 times in WoS

Abstract

By considering the local vector current between nucleon states and imposing charge conservation, we determine its renormalisation constant and quark mass improvement coefficient for Symanzik $O(a)$ improved Wilson fermions. The computation is first performed for quenched fermions (and for completeness also with unimproved fermions) and compared against known results. The two-flavour unquenched case is then considered.

Item Type:Article
Additional Information:LTH 575. arXiv Number: arXiv:hep-lat/0305014v2. Available online 17 December 2003. Issue: 5 February 2004.
Uncontrolled Keywords:NUCLEON STRUCTURE FUNCTIONS; IMPROVED LATTICE QCD; PERTURBATION-THEORY; CHIRAL-SYMMETRY; OPERATORS; CONSTANTS
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.2003.11.050
Related URLs:
Refereed:Yes
Status:Published
ID Code:521
Deposited On:19 Aug 2008 14:11
Last Modified:20 May 2011 12:46

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