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Determination of light and strange quark masses from two-flavour dynamical lattice QCD

Göckeler, M.; Horsley, R.; Irving, A.C.; Pleiter, D.; Rakow, P.E.L.; Schierholz, G. and Stüben, H. (2006) Determination of light and strange quark masses from two-flavour dynamical lattice QCD. Physics Letters B, 639 (3-4). pp. 307-311. ISSN 0370-2693

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

Abstract

We compute the light and strange quark masses m_l = (m_u+m_d)/2 and m_s, respectively, in full lattice QCD with N_f=2 flavors of light dynamical quarks. The renormalization constants, which convert bare quark masses into renormalized quark masses, are computed nonperturbatively, including the effect of quark-line disconnected diagrams. We obtain m_l=4.7(2)(3) MeV and m_s=119(5)(8) MeV in the MSbar scheme at the scale 2 GeV.

Item Type:Article
Additional Information:LTH 633. arXiv Number: arXiv:hep-ph/0409312v1. Available online 28 June 2006. Issue: 10 August 2006. Title on pre print uploaded different to the title on the published PDF. Title on pre print: Determination of light and strange quark masses from full lattice QCD.
Uncontrolled Keywords:WILSON FERMIONS; NONPERTURBATIVE RENORMALIZATION; ANOMALOUS DIMENSION; GAUGE-THEORIES; QUENCHED QCD; INVARIANT; OPERATORS
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.2006.06.036
Related URLs:
Refereed:No
Status:Published
ID Code:469
Deposited On:18 Aug 2008 15:25
Last Modified:05 Mar 2012 10:14

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