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Matrix elements and baryon spectroscopy from unquenched lattice QCD with improved staggered quarks

Gregory, E.B.; Irving, A.; McNeile, C.; Miller, S. and Sroczynski, Z. (2005) Matrix elements and baryon spectroscopy from unquenched lattice QCD with improved staggered quarks. In: XXIIIrd International Symposium on Lattice Field Theory, 25-30 July 2005, Trinity College, Dublin, Ireland.

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Abstract

We look for the effect of open decay channels on the masses of baryons in unquenched lattice QCD. We apply variational smearing using fuzzed basis states to a staggered nucleon operator. The signal for the s_bar s current in the nucleon is studied. The lattice calculations are done using improved staggered fermions.

Item Type:Conference or Workshop Item (Paper)
Additional Information:LTH 675. arXiv Number: arXiv:hep-lat/0511048v1. Additional citation information: PoS LAT2005 (2005) 042; Article ID: 042. 6 pages.
Uncontrolled Keywords:open decay channels; baryons; unquenched lattice QCD; fuzzed basis states; staggered nucleon operator; lattice; staggered fermions
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:397
Deposited On:15 Aug 2008 16:53
Last Modified:20 May 2011 16:03

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