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Flavor SU(4) breaking between effective couplings

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dc.contributor.authorEl-Bennich, Bruno [UNESP]
dc.contributor.authorKrein, Gastão Inácio [UNESP]
dc.contributor.authorChang, Lei
dc.contributor.authorRoberts, Craig D.
dc.contributor.authorWilson, David J.
dc.contributor.institutionUniv Cruzeiro Sul
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionArgonne Natl Lab
dc.contributor.institutionForschungszentrum Julich
dc.contributor.institutionIIT
dc.date.accessioned2013-09-30T19:01:22Z
dc.date.accessioned2014-05-20T14:13:18Z
dc.date.available2013-09-30T19:01:22Z
dc.date.available2014-05-20T14:13:18Z
dc.date.issued2012-02-07
dc.description.abstractUsing a framework in which all elements are constrained by Dyson-Schwinger equation studies in QCD, and therefore incorporate a consistent, direct and simultaneous description of light-and heavy-quarks and the states they constitute, we analyze the accuracy of SU(4)-flavor symmetry relations between pi rho pi, K rho K, and D rho D couplings. Such relations are widely used in phenomenological analyses of the interactions between matter and charmed mesons. We find that while SU(3)-flavor symmetry is accurate to 20%, SU(4) relations underestimate the D rho D coupling by a factor of 5.en
dc.description.affiliationUniv Cruzeiro Sul, BR-01506000 São Paulo, Brazil
dc.description.affiliationUniv Estadual Paulista, Inst Fis Teor, BR-01140070 São Paulo, Brazil
dc.description.affiliationArgonne Natl Lab, Div Phys, Argonne, IL 60439 USA
dc.description.affiliationForschungszentrum Julich, Inst Kernphys, D-52425 Julich, Germany
dc.description.affiliationIIT, Dept Phys, Chicago, IL 60616 USA
dc.description.affiliationUnespUniv Estadual Paulista, Inst Fis Teor, BR-01140070 São Paulo, Brazil
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipUnited States Department of Energy, Office of Nuclear Physics
dc.description.sponsorshipForschungszentrum Julich GmbH
dc.description.sponsorshipIdCNPq: 305894/2009-9
dc.description.sponsorshipIdFAPESP: 09/50180-0
dc.description.sponsorshipIdFAPESP: 09/51296-1
dc.description.sponsorshipIdFAPESP: 10/05772-3
dc.description.sponsorshipIdUnited States Department of Energy, Office of Nuclear Physics: DE-AC02-06CH11357
dc.format.extent6
dc.identifierhttp://dx.doi.org/10.1103/PhysRevD.85.031502
dc.identifier.citationPhysical Review D. College Pk: Amer Physical Soc, v. 85, n. 3, p. 6, 2012.
dc.identifier.doi10.1103/PhysRevD.85.031502
dc.identifier.fileWOS000299939300001.pdf
dc.identifier.issn1550-7998
dc.identifier.lattes5704289678296630
dc.identifier.urihttp://hdl.handle.net/11449/24618
dc.identifier.wosWOS:000299939300001
dc.language.isoeng
dc.publisherAmer Physical Soc
dc.relation.ispartofPhysical Review D
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.titleFlavor SU(4) breaking between effective couplingsen
dc.typeArtigo
dcterms.licensehttp://publish.aps.org/authors/transfer-of-copyright-agreement
dcterms.rightsHolderAmer Physical Soc
dspace.entity.typePublication
unesp.author.lattes5704289678296630
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Física Teórica (IFT), São Paulopt

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São Paulo - IFT - Instituto de Física Teórica