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A determination of the strange quark mass for unquenched clover fermions using the AWI

Göckeler, Meinulf; Horsley, Roger; Irving, Alan C.; Pleiter, Dirk; Rakow, Paul E.L.; Schierholz, Gerrit; Stüben, Hinnerk and Zanotti, James M. (2005) A determination of the strange quark mass for unquenched clover fermions using the AWI. In: XXIIIrd International Symposium on Lattice Field Theory, 25-30 July 2005, Trinity College, Dublin, Ireland.

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Abstract

Using the O(a) Symanzik improved action an estimate is given for the strange quark mass for unquenched (nf=2) QCD. The determination is via the axial Ward identity (AWI) and includes a non-perturbative evaluation of the renormalisation constant. Numerical results have been obtained at several lattice spacings, enabling the continuum limit to be taken. Results indicate a value for the strange quark mass (in the MSbar-scheme at a scale of 2GeV) in the range 100 - 130MeV.

Item Type:Conference or Workshop Item (Paper)
Additional Information:LTH 671; arXiv Number: arXiv:hep-lat/0509159v1. Additional citation information: PoS LAT2005 (2005) 078 Article ID: 078. 6 pages.
Uncontrolled Keywords:Symanzik; QCD; axial Ward identity; AWI; non-perturbative evaluation; renormalisation constant; lattice
Subjects:Q Science > QC Physics
Departments, Research Centres and Related Units:Academic Faculties, Institutes and Research Centres > Faculty of Science > Department of Mathematical Sciences
Publisher's Statement:Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence. The author(s) and right holder(s) of such contributions grant(s) to all users a free, irrevocable, worldwide, right of access to, and a license to copy, use, distribute, transmit and display the work publicly and to make and distribute derivative works, in any digital medium for any responsible purpose, subject to proper attribution of authorship (community standards, will continue to provide the mechanism for enforcement of proper attribution and responsible use of the published work, as they do now), as well as the right to make small numbers of printed copies for their personal use.
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Refereed:Yes
Status:Published
ID Code:400
Deposited On:18 Aug 2008 12:01
Last Modified:20 May 2011 16:01

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