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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, M.-
dc.contributor.authorGómez, G.-
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.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, Rocío-
dc.identifier.citationPhysics Letters B 716(1): 103-121 (2012)es_ES
dc.description27 páginas, 2 figuras, 5 tablas.-- CMS Collaboration: Chatrchyan, S. et al.-- This article is published Open Access at sciencedirect.com. It is distributed under the terms of the Creative Commons Attribution License 3.0es_ES
dc.description.abstractThe results of a search for pair production of a heavy, top-like quark, t', in the decay mode (t' anti-t') to (b anti-W anti-b W) to (b anti-lepton neutrino anti-b lepton anti-neutrino) are presented. The search is performed with a data sample corresponding to an integrated luminosity of 5.0 inverse femtobarns in pp collisions at a center-of-mass energy of 7 TeV, collected by the CMS experiment at the LHC. The observed number of events agrees with the expectation from standard model processes, and no evidence of t'anti-t' production is found. Upper limits on the production cross section as a function of t' mass are presented, and t' masses below 557 GeV/c2 are excluded at the 95% confidence level.es_ES
dc.description.sponsorshipEuropean Commission; Federal Ministry of Science, Research and Economy (Austria); Agency for Innovation by Science and Technology (Belgium); Conselho Nacional de Desenvolvimento Científico e Tecnológico (Brasil); Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (Brasil); Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro; Fundação de Amparo à Pesquisa do Estado de São Paulo; Colciencias (Colombia); Ministry of Science, Education and Sports of the Republic of Croatia; Research Promotion Foundation (Cyprus); Centre National de la Recherche Scientifique (France); Bundesministerium für Bildung und Forschung (Deutschland); Deutsche Forschungsgemeinschaft; General Secretariat of Research and Technology (Greece); National Office for Research and Technology (Hungary); Institute for Research in Fundamental Sciences (Iran); Science Foundation Ireland; Istituto Nazionale di Fisica Nucleare (Italia); National Research Foundation of Korea; Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (México); Consejo Nacional de Ciencia y Tecnología (México); Secretaría de Educación Pública (México); Universidad Autónoma de San Luis Potosí; Pakistan Atomic Energy Commission; Fundação para a Ciência e a Tecnologia (Portugal); Joint Institute for Nuclear Research (Russia); Russian Foundation for Basic Research; Ministry of Education, Science and Technological Development (Serbia); Ministerio de Ciencia e Innovación (España); Centro Nacional de Física de Partículas, Astropartículas y Nuclear (España); Swiss National Science Foundation; The Scientific and Technological Research Council of Turkey; Turkish Atomic Energy Authority; Alfred P. Sloan Foundation; Alexander von Humboldt Foundation; Science and Technology Facilities Council (UK); Department of Energy (US); National Science Foundation (US)-
dc.relation.isversionofPublisher's version-
dc.titleSearch for heavy, top-like quark pair production in the dilepton final state in pp collisions at √s = 7 TeVes_ES
dc.description.peerreviewedPeer reviewedes_ES
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