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Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/109374
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dc.contributor.authorAaltonen, T.-
dc.contributor.authorCasal, Bruno-
dc.contributor.authorCuevas, Javier-
dc.contributor.authorGómez, Gervasio-
dc.contributor.authorPalencia, Enrique-
dc.contributor.authorRuiz Jimeno, Alberto-
dc.contributor.authorScodellaro, Luca-
dc.contributor.authorVilar Cortabitarte, R.-
dc.contributor.authorVizán, J.-
dc.contributor.authorCDF Collaboration-
dc.date.accessioned2015-01-15T09:07:49Z-
dc.date.available2015-01-15T09:07:49Z-
dc.date.issued2013-
dc.identifierdoi: 10.1103/PhysRevD.87.052013-
dc.identifierissn: 1550-7998-
dc.identifiere-issn: 1550-2368-
dc.identifier.citationPhysical Review D 87: 052013 (2013)-
dc.identifier.urihttp://hdl.handle.net/10261/109374-
dc.description.abstractWe present a measurement of the mass difference between top (t) and antitop (t̄) quarks using tt̄ candidate events reconstructed in the final state with one lepton and multiple jets. We use the full data set of Tevatron √s=1.96 TeV proton-antiproton collisions recorded by the CDF II detector, corresponding to an integrated luminosity of 8.7 fb-1. We estimate event by event the mass difference to construct templates for top pair signal events and background events. The resulting mass difference distribution in data compared to signal and background templates using a likelihood fit yields ΔMtop=Mt-Mt̄=-1.95±1.11(stat) ±0.59(syst) GeV/c2 and is in agreement with the standard model prediction of no mass difference. © 2013 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, United Kingdom; 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).-
dc.publisherAmerican Physical Society-
dc.relation.isversionofPublisher's version-
dc.rightsopenAccess-
dc.titleMeasurement of the mass difference between top and antitop quarks-
dc.typeartículo-
dc.identifier.doi10.1103/PhysRevD.87.052013-
dc.relation.publisherversionhttp://dx.doi.org10.1103/PhysRevD.87.052013-
dc.date.updated2015-01-15T09:07:49Z-
dc.description.versionPeer Reviewed-
dc.language.rfc3066eng-
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.cerifentitytypePublications-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextopen-
item.openairetypeartículo-
item.fulltextWith Fulltext-
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