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Titolo:
Mixing of scalar glueballs and flavor-singlet scalar mesons - art. no. 114503
Autore:
McNeile, C; Michael, C;
Indirizzi:
Univ Liverpool, Dept Math Sci, Div Theoret Phys, Liverpool L69 3BX, Merseyside, England Univ Liverpool Liverpool Merseyside England L69 3BX , Merseyside, England
Titolo Testata:
PHYSICAL REVIEW D
fascicolo: 11, volume: 6311, anno: 2001,
pagine: 4503 -
SICI:
0556-2821(20010601)6311:11<4503:MOSGAF>2.0.ZU;2-0
Fonte:
ISI
Lingua:
ENG
Soggetto:
LATTICE QCD; FORM-FACTOR; MASS; SPECTRUM; SU(3); ESTIMATOR; NUCLEON;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
35
Recensione:
Indirizzi per estratti:
Indirizzo: McNeile, C Univ Liverpool, Dept Math Sci, Div Theoret Phys, Liverpool L69 3BX, Merseyside, England Univ Liverpool Liverpool Merseyside England L69 3BX e, England
Citazione:
C. McNeile e C. Michael, "Mixing of scalar glueballs and flavor-singlet scalar mesons - art. no. 114503", PHYS REV D, 6311(11), 2001, pp. 4503

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 flavor-singlet scalar mesons using dynamical quark configurations from UKQCD. This enables us to compare the results from the quenched study ofthe mixing with the direct determination of the mixed spectrum. Improved methods of evaluating the disconnected quark diagrams are also presented.

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Documento generato il 06/04/20 alle ore 23:45:37