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Searches for new physics using the tt¯ invariant mass distribution in pp collisions at s√=8  TeV

dc.contributor.authorChatrchyan, Serguei
dc.contributor.authorBrochero Cifuentes, Javier Andrés 
dc.contributor.authorCabrillo Bartolomé, José Iban 
dc.contributor.authorCalderón Tazón, Alicia 
dc.contributor.authorChuang, Shan Huei
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, Iván  
dc.contributor.authorVilar Cortabitarte, Rocío 
dc.contributor.otherUniversidad de Cantabriaes_ES
dc.date.accessioned2015-04-01T09:04:59Z
dc.date.available2015-04-01T09:04:59Z
dc.date.issued2013-11
dc.identifier.issn0031-9007
dc.identifier.issn1079-7114
dc.identifier.urihttp://hdl.handle.net/10902/6205
dc.description.abstractSearches for anomalous top quark-antiquark production are presented, based on pp collisions at s√=8  TeV. The data, corresponding to an integrated luminosity of 19.7  fb−1, were collected with the CMS detector at the LHC. The observed tt¯ invariant mass spectrum is found to be compatible with the standard model prediction. Limits on the production cross section times branching fraction probe, for the first time, a region of parameter space for certain models of new physics not yet constrained by precision measurements.es_ES
dc.format.extent16 p.es_ES
dc.language.isoenges_ES
dc.publisherAmerican Physical Societyes_ES
dc.rightsAtribución 3.0 España. © 2013 CERN, for the CMS Collaboration*
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/es/*
dc.sourcePhysical Review LettersPhysical Review Letters, 2013, 111, 211804 - (ERRATUM) 2014, 112, 119903es_ES
dc.titleSearches for new physics using the tt¯ invariant mass distribution in pp collisions at s√=8  TeVes_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.relation.publisherVersionhttp://dx.doi.org/10.1103/PhysRevLett.111.211804es_ES
dc.rights.accessRightsopenAccesses_ES
dc.identifier.DOI10.1103/PhysRevLett.111.211804
dc.type.versionpublishedVersiones_ES


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Atribución 3.0 España. © 2013 CERN, for the CMS CollaborationExcepto si se señala otra cosa, la licencia del ítem se describe como Atribución 3.0 España. © 2013 CERN, for the CMS Collaboration