Please use this identifier to cite or link to this item: http://hdl.handle.net/2445/175080
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dc.contributor.authorGraugés Pous, Eugeni-
dc.contributor.authorBABAR Collaboration-
dc.date.accessioned2021-03-15T11:02:49Z-
dc.date.available2021-03-15T11:02:49Z-
dc.date.issued2020-04-16-
dc.identifier.issn0031-9007-
dc.identifier.urihttp://hdl.handle.net/2445/175080-
dc.description.abstractA study of the two-body decays B±→Xc¯cK±, where Xc¯c refers to one charmonium state, is reported by the BABAR Collaboration using a data sample of 424  fb−1. The absolute determination of branching fractions for these decays are significantly improved compared to previous BABAR measurements. Evidence is found for the decay B+→X(3872)K+ at the 3σ level. The absolute branching fraction B[B+→X(3872)K+]=[2.1±0.6(stat)±0.3(syst)]×10−4 is measured for the first time. It follows that B[X(3872)→J/ψπ+π−]=(4.1±1.3)%, supporting the hypothesis of a molecular component for this resonance.-
dc.format.extent8 p.-
dc.format.mimetypeapplication/pdf-
dc.language.isoeng-
dc.publisherAmerican Physical Society-
dc.relation.isformatofReproducció del document publicat a: https://doi.org/10.1103/PhysRevLett.124.152001-
dc.relation.ispartofPhysical Review Letters, 2020, vol. 124 , num. 15, p. 152001-
dc.relation.urihttps://doi.org/10.1103/PhysRevLett.124.152001-
dc.rights(c) American Physical Society, 2020-
dc.sourceArticles publicats en revistes (Física Quàntica i Astrofísica)-
dc.subject.classificationBarions-
dc.subject.classificationFraccions-
dc.subject.classificationHadrons-
dc.subject.otherBaryons-
dc.subject.otherFractions-
dc.subject.otherHadrons-
dc.titleMeasurements of the Absolute Branching Fractions of B-+/- -> K(+/-)Xc(c)over-bar-
dc.typeinfo:eu-repo/semantics/article-
dc.typeinfo:eu-repo/semantics/publishedVersion-
dc.identifier.idgrec706469-
dc.date.updated2021-03-15T11:02:49Z-
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess-
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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