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dc.contributor.authorAaltonen, T.-
dc.contributor.authorCasal, Bruno-
dc.contributor.authorCuevas, Javier-
dc.contributor.authorGómez, G.-
dc.contributor.authorPalencia, Enrique-
dc.contributor.authorRuiz Jimeno, Alberto-
dc.contributor.authorScodellaro, Luca-
dc.contributor.authorVilar, Rocío-
dc.contributor.authorVizán, J.-
dc.contributor.authorCDF Collaboration-
dc.date.accessioned2015-02-09T14:24:50Z-
dc.date.available2015-02-09T14:24:50Z-
dc.date.issued2014-
dc.identifierdoi: 10.1103/PhysRevLett.112.221801-
dc.identifiere-issn: 1079-7114-
dc.identifierissn: 0031-9007-
dc.identifier.citationPhysical Review Letters 112: 221801 (2014)-
dc.identifier.urihttp://hdl.handle.net/10261/110406-
dc.description.abstractWe present a measurement of the ratio of the top-quark branching fractions R=B(t→Wb)/B(t→Wq), where q represents any quark flavor, in events with two charged leptons, imbalance in total transverse energy, and at least two jets. The measurement uses proton-antiproton collision data at center-of-mass energy 1.96 TeV, corresponding to an integrated luminosity of 8.7fb-1 collected with the Collider Detector at Fermilab during Run II of the Tevatron. We measure R to be 0.87±0.07, and extract the magnitude of the top-bottom quark coupling to be |Vtb|=0.93±0.04, assuming three generations of quarks. Under these assumptions, a lower limit of |Vtb|>0.85(0.87) at 95% (90%) credibility level is set. © 2014 American Physical Society.-
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 Russian Foundation for Basic Research; the Ministerio de Ciencia e Innovación, and Programa Consolider-Ingenio 2010, Spain; the Slovak R&D Agency; the Academy of Finland; and the Australian Research Council (ARC); and the EU community Marie Curie Fellowship Contract No. 302103.-
dc.publisherAmerican Physical Society-
dc.relation.isversionofPublisher's version-
dc.rightsopenAccess-
dc.titleMeasurement of B(t →wb)/B (t →wq) in top-quark-pair decays using dilepton events and the full CDF run II data set-
dc.typeartículo-
dc.identifier.doi10.1103/PhysRevLett.112.221801-
dc.relation.publisherversionhttp://dx.doi.org/10.1103/PhysRevLett.112.221801-
dc.date.updated2015-02-09T14:24:50Z-
dc.description.versionPeer Reviewed-
dc.language.rfc3066eng-
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