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Mixing of scalar glueballs and flavour-singlet scalar mesons

McNeile, C. and Michael, C. (2001) Mixing of scalar glueballs and flavour-singlet scalar mesons. Physical Review D, 63 . Article Number: 114503. ISSN 1550-2368 (online); 1550-7998 (print)

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Official URL: http://link.aps.org/abstract/PRD/v63/e114503

Abstract

We discuss in detail the extraction of hadronic mixing strengths from lattice studies. We apply this to the mixing of a scalar glueball and a scalar meson in the quenched approximation. We also measure correlations appropriate for flavour-singlet scalar mesons using dynamical quark configurations from UKQCD. This enables us to compare the results from the quenched study of the mixing with the direct determination of the mixed spectrum. Improved methods of evaluating the disconnected quark diagrams are also presented.

Item Type:Article
Additional Information:LTH: 487. arXiv Number: arXiv:hep-lat/0010019v2. Additional citation information: PHYSICAL REVIEW D, VOLUME 63, 114503; 0556-2821/2001/63(11)/114503(11). 11 pages. Published 10 May 2001. Issue: June 2001.
Uncontrolled Keywords:LATTICE QCD; FORM-FACTOR; MASS; SPECTRUM; SU(3); ESTIMATOR; NUCLEON
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.63.114503
Publisher's Statement:©2001 The American Physical Society
Related URLs:
Refereed:Yes
Status:Published
ID Code:593
Deposited On:31 Oct 2008 14:27
Last Modified:20 May 2011 09:56

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