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Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/46365
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dc.contributor.authorAaltonen, T.-
dc.contributor.authorÁlvarez González, B.-
dc.contributor.authorCasal, Bruno-
dc.contributor.authorCuevas, Javier-
dc.contributor.authorGómez, Gervasio-
dc.contributor.authorPalencia, Enrique-
dc.contributor.authorRodrigo, Teresa-
dc.contributor.authorRuiz Jimeno, Alberto-
dc.contributor.authorScodellaro, Luca-
dc.contributor.authorVila, Iván-
dc.contributor.authorVilar Cortabitarte, R.-
dc.contributor.authorVizán, J.-
dc.date.accessioned2012-02-29T09:40:12Z-
dc.date.available2012-02-29T09:40:12Z-
dc.date.issued2011-03-
dc.identifier.citationPhysical Review D 83(5): 052012 (2011)es_ES
dc.identifier.issn1550-7998-
dc.identifier.urihttp://hdl.handle.net/10261/46365-
dc.description11 páginas, 4 tablas, 3 tablas.-- PACS numbers: 14.40.Nd, 12.15.Ff, 12.15.Hh, 13.25.Hw.-- CDF Collaboration: et al.es_ES
dc.description.abstractWe report the first observation of two Cabibbo-suppressed decay modes of the Bs0 meson. Using a sample of pp̅ collisions at √s=1.96  TeV corresponding to 5.9  fb-1 of integrated luminosity collected with the CDF II, the collider detector at the Fermilab Tevatron, we search for new Bs0 decay modes in a sample of events containing J/ψ→μ+μ- decays. We reconstruct a Bs0→J/ψK*(892)0 signal with K*(892)0→K+π-, observing a yield of 151±25 events with a statistical significance of 8.0σ. We also reconstruct a Bs0→J/ψKS0 signal with KS0→π+π-, observing a yield of 64±14 events with a statistical significance of 7.2σ. From these yields, we extract the branching ratios B(Bs0→J/ψK*(892)0)=(8.3±3.8)×10-5 and B(Bs0→J/ψK0)=(3.5±0.8)×10-5, where statistical, systematic, and fragmentation-fraction uncertainties are included in the combined uncertainty.es_ES
dc.description.sponsorshipThis work was supported by the U. S. Department of Energy and National Science Foundation; the Italian Istituto Nazionale di Fisica Nucleare; the Ministry of Education, Culture, Sports, Science and Technology of Japan; the Natural Sciences and Engineering Research Council of Canada; the National Science Council of the Republic of China; the Swiss National Science Foundation; the A. P. Sloan Foundation; the Bundesministerium für Bildung und Forschung, Germany; the Korean World Class University Program, the National Research Foundation of Korea; the Science and Technology Facilities Council and the Royal Society, UK; the Institut National de Physique Nucleaire et Physique des Particules/CNRS; the Russian Foundation for Basic Research; the Ministerio de Ciencia e Innovación, and Programa Consolider-Ingenio 2010, Spain; the Slovak R&D Agency; and the Academy of Finland.es_ES
dc.language.isoenges_ES
dc.publisherAmerican Physical Societyes_ES
dc.rightsopenAccesses_ES
dc.titleObservation of Bs0→J/ψK*(892)0 and Bs0→J/ψKS0 decayses_ES
dc.typeartículoes_ES
dc.identifier.doi10.1103/PhysRevD.83.052012-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1103/PhysRevD.83.052012es_ES
dc.identifier.e-issn1550-2368-
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.openairetypeartículo-
item.grantfulltextopen-
item.cerifentitytypePublications-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
item.languageiso639-1en-
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