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dc.contributor.authorChatrchyan, Serguei
dc.contributor.authorBrochero Cifuentes, Javier Andrés
dc.contributor.authorCabrillo Bartolomé, José Iban
dc.contributor.authorCalderón Tazón, Alicia 
dc.contributor.authorChuang, S. H.
dc.contributor.authorDuarte Campderros, Jorge
dc.contributor.authorFernández García, Marcos 
dc.contributor.authorGómez Gramuglio, Gervasio
dc.contributor.authorGonzález Sánchez, Francisco Javier
dc.contributor.authorGraziano, Alberto
dc.contributor.authorJordá Lope, Clara
dc.contributor.authorLópez Virto, María Amparo
dc.contributor.authorMarco de Lucas, Jesús
dc.contributor.authorMarco de Lucas, Rafael José
dc.contributor.authorMartínez Rivero, Celso
dc.contributor.authorMatorras Weinig, Francisco 
dc.contributor.authorMuñoz Sánchez, Francisca Javiela
dc.contributor.authorRodrigo Anoro, Teresa 
dc.contributor.authorRodríguez Marrero, Ana Yaiza
dc.contributor.authorRuiz Jimeno, Alberto 
dc.contributor.authorScodellaro, Luca
dc.contributor.authorVila Álvarez, Ivan
dc.contributor.authorVilar Cortabitarte, Rocío 
dc.contributor.otherUniversidad de Cantabriaes_ES
dc.date.accessioned2018-06-19T10:43:08Z
dc.date.available2018-06-19T10:43:08Z
dc.date.issued2014-04
dc.identifier.issn0370-2693
dc.identifier.issn1873-2445
dc.identifier.otherFPA2014-55295-C3-1-R
dc.identifier.otherFPA 2011-28694-C02-01
dc.identifier.urihttp://hdl.handle.net/10902/13957
dc.description.abstractA search for baryon number violation (BNV) in top-quark decays is performed using pp collisions produced by the LHC at vs = 8 TeV. The top-quark decay considered in this search results in one light lepton (muon or electron), two jets, but no neutrino in the final state. Data used for the analysis were collected by the CMS detector and correspond to an integrated luminosity of 19.5 fb-1. The event selection is optimized for top quarks produced in pairs, with one undergoing the BNV decay and the other the standard model hadronic decay to three jets. No significant excess of events over the expected yield from standard model processes is observed. The upper limits at 95% confidence level on the branching fraction of the BNV top-quark decay are calculated to be 0.0016 and 0.0017 for the muon and the electron channels, respectively. Assuming lepton universality, an upper limit of 0.0015 results from the combination of the two channels. These limits are the first that have been obtained on a BNV process involving the top quark.es_ES
dc.format.extent24 p.es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.rightsAtribución 3.0 España*
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/es/*
dc.sourcePhysics Letters B, Vol. 731, Pp. 173–196, (2014)es_ES
dc.titleSearch for baryon number violation in top-quark decayses_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.relation.publisherVersionhttps://doi.org/10.1016/j.physletb.2014.02.033es_ES
dc.rights.accessRightsopenAccesses_ES
dc.identifier.DOI10.1016/j.physletb.2014.02.033
dc.type.versionpublishedVersiones_ES


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Atribución 3.0 EspañaExcept where otherwise noted, this item's license is described as Atribución 3.0 España