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QCD sum rule study for a possible charmed pentaquark Θ c(3250)

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dc.contributor.authorAlbuquerque, Raphael M. [UNESP]
dc.contributor.authorLee, Su Houng
dc.contributor.authorNielsen, Marina
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionYonsei University
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2014-05-27T11:30:48Z
dc.date.available2014-05-27T11:30:48Z
dc.date.issued2013-10-01
dc.description.abstractWe use QCD sum rules to study the possible existence of a Θc(3250) charmed pentaquark. We consider the contributions of condensates up to dimension 12 and work at leading order in αs. We obtain mΘc=(3.29±0.13) GeV, compatible with the mass of the structure seen by BABAR Collaboration in the decay channel B-→p̄Σc++π-π-. The proposed state is compatible with a previous proposed pentaquark state in the anticharmed sector. © 2013 American Physical Society.en
dc.description.affiliationInstitute for Theoretical Physics São Paulo State University (IFT-UNESP), Rua Dr. Bento Teobaldo Ferraz, 271-Bloco II, 01140-070 São Paulo
dc.description.affiliationInstitute of Physics and Applied Physics Yonsei University, Seoul 120-749
dc.description.affiliationInstituto de Física Universidade de São Paulo, C.P. 66318, 05389-970 São Paulo
dc.description.affiliationUnespInstitute for Theoretical Physics São Paulo State University (IFT-UNESP), Rua Dr. Bento Teobaldo Ferraz, 271-Bloco II, 01140-070 São Paulo
dc.identifierhttp://dx.doi.org/10.1103/PhysRevD.88.076001
dc.identifier.citationPhysical Review D - Particles, Fields, Gravitation and Cosmology, v. 88, n. 7, 2013.
dc.identifier.doi10.1103/PhysRevD.88.076001
dc.identifier.file2-s2.0-84885238071.pdf
dc.identifier.issn1550-7998
dc.identifier.issn1550-2368
dc.identifier.scopus2-s2.0-84885238071
dc.identifier.urihttp://hdl.handle.net/11449/76744
dc.identifier.wosWOS:000325169600006
dc.language.isoeng
dc.relation.ispartofPhysical Review D: Particles, Fields, Gravitation and Cosmology
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.titleQCD sum rule study for a possible charmed pentaquark Θ c(3250)en
dc.typeArtigo
dcterms.licensehttp://publish.aps.org/authors/transfer-of-copyright-agreement
dspace.entity.typePublication
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Física Teórica (IFT), São Paulopt

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