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dc.contributor.authorAbulencia, A.-
dc.contributor.authorCuevas, Javier-
dc.contributor.authorGómez, G.-
dc.contributor.authorGómez-Ceballos, Guillelmo-
dc.contributor.authorPalencia, Enrique-
dc.contributor.authorPiedra, Jonatan-
dc.contributor.authorRodrigo, Teresa-
dc.contributor.authorRuiz Jimeno, Alberto-
dc.contributor.authorScodellaro, Luca-
dc.contributor.authorVila, Iván-
dc.contributor.authorVilar, Rocío-
dc.contributor.authorCDF Collaboration-
dc.date.accessioned2014-12-16T11:07:06Z-
dc.date.available2014-12-16T11:07:06Z-
dc.date.issued2006-
dc.identifierdoi: 10.1103/PhysRevLett.96.082002-
dc.identifierissn: 0031-9007-
dc.identifiere-issn: 1079-7114-
dc.identifier.citationPhysical Review Letters 96: 082002 (2006)-
dc.identifier.urihttp://hdl.handle.net/10261/108772-
dc.descriptionet al.-
dc.description.abstractWe report the first evidence for a fully reconstructed decay mode of the Bc± meson in the channel Bc±→J/ψπ±, with J/ψ→μ+μ-. The analysis is based on an integrated luminosity of 360  pb-1 in pp¯ collisions at 1.96 TeV center of mass energy collected by the Collider Detector at Fermilab. We observe 14.6±4.6 signal events with a background of 7.1±0.9 events, and a fit to the J/ψπ± mass spectrum yields a Bc± mass of 6285.7±5.3(stat)±1.2(syst)  MeV/c2. The probability of a peak of this magnitude occurring by random fluctuation in the search region is estimated as 0.012%.-
dc.description.sponsorshipThis work was supported by the U.S. Department of Energy and the 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 Science and Engineering Foundation and the Korean Research Foundation, the Particle Physics and Astronomy Research Council and the Royal Society, U.K., the Russian Foundation for Basic Research, the Comision Interministerial de Ciencia y Tecnologia, Spain, in part by the European Community’s Human Potential Programme under Contract No. HPRN-CT-2002-00292, and the Academy of Finland.-
dc.publisherAmerican Physical Society-
dc.relation.isversionofPublisher's version-
dc.rightsopenAccess-
dc.titleEvidence for the exclusive decay Bc±→J/ψπ± and measurement of the mass of the Bc± meson-
dc.typeartículo-
dc.identifier.doi10.1103/PhysRevLett.96.082002-
dc.relation.publisherversionhttp://dx.doi.org/10.1103/PhysRevLett.96.082002-
dc.date.updated2014-12-16T11:07:06Z-
dc.description.versionPeer Reviewed-
dc.language.rfc3066eng-
dc.contributor.funderDepartment of Energy (US)-
dc.contributor.funderNational Science Foundation (US)-
dc.contributor.funderIstituto Nazionale di Fisica Nucleare-
dc.contributor.funderMinistry of Education, Culture, Sports, Science and Technology (Japan)-
dc.contributor.funderNational Research Council of Canada-
dc.contributor.funderMinistry of Science and Technology of the People's Republic of China-
dc.contributor.funderSwiss National Science Foundation-
dc.contributor.funderAlfred P. Sloan Foundation-
dc.contributor.funderFederal Ministry of Education and Research (Germany)-
dc.contributor.funderNational Research Foundation of Korea-
dc.contributor.funderResearch Councils UK-
dc.contributor.funderRoyal Society (UK)-
dc.contributor.funderRussian Foundation for Basic Research-
dc.contributor.funderComisión Interministerial de Ciencia y Tecnología, CICYT (España)-
dc.contributor.funderEuropean Commission-
dc.contributor.funderAcademy of Finland-
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dc.identifier.funderhttp://dx.doi.org/10.13039/501100000046es_ES
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