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An estimate of the flavour singlet contributions to the hyperfine splitting in charmonium

McNeile, C. and Michael, C. (2004) An estimate of the flavour singlet contributions to the hyperfine splitting in charmonium. Physical Review D, 70 . Article Number: 034506. ISSN 1550-2368 (online); 1550-7998 (print)

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Official URL: http://prola.aps.org/abstract/PRD/v70/i3/e034506

Abstract

We explore the splitting between flavor singlet and non-singlet mesons in charmonium using unquenched lattice QCD. The non-perturbatively improved clover formalism is used for both the sea and valence quarks. This has implications for lattice calculations of the hyperfine splitting in charmonium.

Item Type:Article
Additional Information:LTH 617. arXiv Number: arXiv:hep-lat/0402012v1. Additional citation information: PHYSICAL REVIEW D 70, 034506 (2004). 1550-7998/2004/70(3)/034506(11). 11 Pages. Published 17 August 2004. Issue: August 2004.
Uncontrolled Keywords:QUARKONIUM CHARM; QUARKONIUM HYPERFINE STRUCTURE; QUARKONIUM MASS SPECTRUM; MASS DIFFERENCE (D*(2010) D); FLAVOR SINGLET; FERMION LATTICE FIELD THEORY; GAUGE FIELD THEORY SU(3) ; FLAVOR 2; CORRELATION FUNCTION; APPROXIMATION QUENCHING; IIZUKA-OKUBO-ZWEIG RULE VIOLATION; NUMERICAL CALCULATIONS MONTE CARLO
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:10.1103/PhysRevD.70.034506
Publisher's Statement:©2004 The American Physical Society
Related URLs:
Refereed:Yes
Status:Published
ID Code:489
Deposited On:31 Oct 2008 10:35
Last Modified:20 May 2011 13:24

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