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The axial charge of the nucleon on the lattice and in chiral perturbation theory

Ali Khan, Arifa; Göckeler, Meinulf; Hägler, Philipp; Hemmert, Thomas R.; Horsley, Roger; Irving, Alan C.; Pleiter, Dirk; Rakow, Paul E.L.; Schäfer, Andreas; Schierholz, Gerrit; Stüben, Hinnerk; Wollenweber, Tim and Zanotti, James M. (2005) The axial charge of the nucleon on the lattice and in chiral perturbation theory. In: XXIIIrd International Symposium on Lattice Field Theory, 25-30 July 2005, Trinity College, Dublin, Ireland.

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Abstract

We present recent Monte Carlo data for the axial charge of the nucleon obtained by the QCDSF-UKQCD collaboration for N_f=2 dynamical quarks. We compare them with formulae from chiral perturbation theory in finite and infinite volume and find a remarkably consistent picture.

Item Type:Conference or Workshop Item (Paper)
Additional Information:LTH 664; arXiv Number: arXiv:hep-lat/0510061v1. Additional citation information: PoS LAT2005 (2005) 349. Article ID: 349. 6 pages.
Uncontrolled Keywords:Monte Carlo; axial charge; nucleon; QCDSF-UKQCD; dynamical quarks; chiral perturbation theory
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:408
Deposited On:18 Aug 2008 12:08
Last Modified:20 May 2011 15:50

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