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Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/51988
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dc.contributor.authorChatrchyan, S.-
dc.contributor.authorBrochero Cifuentes, J. A.-
dc.contributor.authorCabrillo, I. J.-
dc.contributor.authorCalderon, Alicia-
dc.contributor.authorChuang, S. H.-
dc.contributor.authorDuarte Campderros, J.-
dc.contributor.authorFelcini, Marta-
dc.contributor.authorFernández-García, Marcos-
dc.contributor.authorGómez, Gervasio-
dc.contributor.authorGonzález Sánchez, J.-
dc.contributor.authorJorda, C.-
dc.contributor.authorLobelle Pardo, P.-
dc.contributor.authorLópez Virto, A.-
dc.contributor.authorMarco, Jesús-
dc.contributor.authorMarco, Rafael-
dc.contributor.authorMartínez-Rivero, Celso-
dc.contributor.authorMatorras, Francisco-
dc.contributor.authorMuñoz Sánchez, F. J.-
dc.contributor.authorPiedra, Jonatan-
dc.contributor.authorRodrigo, Teresa-
dc.contributor.authorRodríguez Marrero, Ana Y.-
dc.contributor.authorRuiz Jimeno, Alberto-
dc.contributor.authorScodellaro, Luca-
dc.contributor.authorSobron Sañudo, M.-
dc.contributor.authorVila, Iván-
dc.contributor.authorVilar Cortabitarte, R.-
dc.contributor.authorCMS Collaboration-
dc.date.accessioned2012-06-21T10:35:51Z-
dc.date.available2012-06-21T10:35:51Z-
dc.date.issued2012-
dc.identifierdoi: 10.1016/j.physletb.2012.01.078-
dc.identifierissn: 0370-2693-
dc.identifier.citationPhysics Letters B 709(1-2): 28-49 (2012)-
dc.identifier.urihttp://hdl.handle.net/10261/51988-
dc.descriptionThis article is published Open Access at sciencedirect.com. It is distributed under the terms of the Creative Commons Attribution License 3.0.-
dc.description.abstractThe difference in angular distributions between top quarks and antiquarks, commonly referred to as the charge asymmetry, is measured in pp collisions at the LHC with the CMS experiment. The data sample corresponds to an integrated luminosity of 1.09fb -1 at a centre-of-mass energy of 7 TeV. Top-quark pairs are selected in the final state with an electron or muon and four or more jets. At least one jet is identified as originating from b-quark hadronization. The charge asymmetry is measured in two variables, one based on the pseudorapidities (η) of the top quarks and the other on their rapidities (y). The results ACη=-0.017±0.032(stat.)-0.036+0.025(syst.) and ACy=-0.013±0.028(stat.)-0.031+0.029(syst.) are consistent within uncertainties with the standard-model predictions. © 2012 CERN.-
dc.description.sponsorshipThis work was supported by the Austrian Federal Ministry of Science and Research; the Belgium Fonds de la Recherche Scientifique, and Fonds voor Wetenschappelijk Onderzoek; the Brazilian Funding Agencies (CNPq, CAPES, FAPERJ, and FAPESP); the Bulgarian Ministry of Education and Science; CERN; the Chinese Academy of Sciences, Ministry of Science and Technology, and National Natural Science Foundation of China; the Colombian Funding Agency (COLCIENCIAS); the Croatian Ministry of Science, Education and Sport; the Research Promotion Foundation Cyprus; the Estonian Academy of Sciences and NICPB; the Academy of Finland, Finnish Ministry of Education and Culture, and Helsinki Institute of Physics; the Institut National de Physique Nucléaire et de Physique des Particules / CNRS, and Commissariat á l'Energie Atomique et aux Energies Alternatives/CEA, France; the Bundesministerium für Bildung und Forschung, Deutsche Forschungsgemeinschaft, and Helmholtz-Gemeinschaft Deutscher Forschungszentren, Germany; the General Secretariat for Research and Technology, Greece; the National Scientific Research Foundation, and National Office for Research and Technology, Hungary; the Department of Atomic Energy and the Department of Science and Technology, India; the Institute for Studies in Theoretical Physics and Mathematics, Iran; the Science Foundation, Ireland; the Istituto Nazionale di Fisica Nucleare, Italy; the Korean Ministry of Education, Science and Technology and the World Class University program of NRF, Korea; the Lithuanian Academy of Sciences; the Mexican Funding Agencies (CINVESTAV, CONACYT, SEP, and UASLP-FAI); the Ministry of Science and Innovation, New Zealand; the Pakistan Atomic Energy Commission; the State Commission for Sci- entific Research, Poland; the Fundaçao para a Ciência e a Tecnologia, Portugal; JINR (Armenia, Belarus, Georgia, Ukraine, Uzbekistan); the Ministry of Science and Technologies of the Russian Federation, the Russian Ministry of Atomic Energy and the Russian Foundation for Basic Research; the Ministry of Science and Technological Development of Serbia; the Ministerio de Ciencia e Innovación, and Programa Consolider-Ingenio 2010, Spain; the Swiss Funding Agencies (ETH Board, ETH Zurich, PSI, SNF, UniZH, Canton Zurich, and SER); the National Science Council, Taipei; the Scientific and Technical Research Council of Turkey, and Turkish Atomic Energy Authority; the Science and Technology Facilities Council, U.K.; the US Department of Energy, and the US National Science Foundation. Individuals have received support from the Marie-Curie programme and the European Research Council (European Union); the Leventis Foundation; the A. P. Sloan Foundation; the Alexander von Humboldt Foundation; the Belgian Federal Science Policy Office; the Fonds pour la Formation à la Recherche dans l'Industrie et dans l'Agriculture (FRIA-Belgium); the Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium); and the Council of Science and Industrial Research, India.-
dc.language.isoeng-
dc.publisherElsevier-
dc.relation.isversionofPublisher's version-
dc.rightsopenAccess-
dc.titleMeasurement of the charge asymmetry in top-quark pair production in proton-proton collisions at sqrt(s) = 7 TeV-
dc.typeartículo-
dc.identifier.doi10.1016/j.physletb.2012.01.078-
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.physletb.2012.01.078-
dc.date.updated2012-06-21T10:35:51Z-
dc.description.versionPeer Reviewed-
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.openairetypeartículo-
item.cerifentitytypePublications-
item.grantfulltextopen-
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