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Scalar mesons and tetraquarks from twisted mass lattice QCD

dc.contributor.authorWagner, M.en
dc.contributor.authorAlexandrou, Constantiaen
dc.contributor.authorDaldrop, J. O.en
dc.contributor.authorBrida, M. D.en
dc.contributor.authorGravina, M.en
dc.contributor.authorScorzato, L.en
dc.contributor.authorUrbach, C.en
dc.contributor.authorWiese, C.en
dc.creatorWagner, M.en
dc.creatorAlexandrou, Constantiaen
dc.creatorDaldrop, J. O.en
dc.creatorBrida, M. D.en
dc.creatorGravina, M.en
dc.creatorScorzato, L.en
dc.creatorUrbach, C.en
dc.creatorWiese, C.en
dc.date.accessioned2019-12-02T15:34:44Z
dc.date.available2019-12-02T15:34:44Z
dc.date.issued2013
dc.identifier.issn1899-2358
dc.identifier.urihttp://gnosis.library.ucy.ac.cy/handle/7/59208
dc.description.abstractWe study light scalar mesons with particular focus on the a 0(980) using lattice QCD with 2+1+1 dynamical quark flavors. To investigate the structure of these scalar mesons and to identify, whether a sizeable tetraquark component is present, we use a large set of operators, including diquark-antidiquark, mesonic molecule and two-meson operators. We find that the low-lying states overlap essentially exclusively with two-meson states. This indicates that in the channels investigated no tightly bound four-quark states of either molecular or diquark-antidiquark type exist.en
dc.sourceActa Physica Polonica B, Proceedings Supplementen
dc.source.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84885625186&doi=10.5506%2fAPhysPolBSupp.6.847&partnerID=40&md5=128f9a48687e273c7e66dc1e4238de7e
dc.subjectQuantum theoryen
dc.subjectHigh energy physicsen
dc.subjectBosonsen
dc.subjectLattice QCDen
dc.subjectHadronsen
dc.subjectScalar mesonsen
dc.subjectTetraquarksen
dc.subjectDynamical quarksen
dc.subjectLow-lying stateen
dc.titleScalar mesons and tetraquarks from twisted mass lattice QCDen
dc.typeinfo:eu-repo/semantics/article
dc.identifier.doi10.5506/APhysPolBSupp.6.847
dc.description.volume6
dc.description.issue3
dc.description.startingpage847
dc.description.endingpage852
dc.author.facultyΣχολή Θετικών και Εφαρμοσμένων Επιστημών / Faculty of Pure and Applied Sciences
dc.author.departmentΤμήμα Φυσικής / Department of Physics
dc.type.uhtypeArticleen
dc.source.abbreviationActa Phys.Pol.B Proc.Suppl.en
dc.contributor.orcidAlexandrou, Constantia [0000-0001-9136-3621]
dc.gnosis.orcid0000-0001-9136-3621


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