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Search for heavy, top-like quark pair production in the dilepton final state in pp collisions at √s = 7 TeV

dc.contributor.authorChatrchyan, S.
dc.contributor.authorAlbajar Molera, Carmen 
dc.contributor.authorCodispoti, G.
dc.contributor.authorFernández Trocóniz Acha, Jorge 
dc.contributor.authorCMS Collaboration
dc.contributor.otherUAM. Departamento de Física Teóricaes_ES
dc.date.accessioned2016-11-08T16:39:27Z
dc.date.available2016-11-08T16:39:27Z
dc.date.issued2012-09-17
dc.identifier.citationPhysics Letters B 716.1 (2012): 103–121en_US
dc.identifier.issn0370-2693 (print)es_ES
dc.identifier.issn1873-2445 (online)es_ES
dc.identifier.urihttp://hdl.handle.net/10486/674886
dc.descriptionArtículo escrito por un elevado número de autores, solo se referencian el que aparece en primer lugar, el nombre del grupo de colaboración, si le hubiere, y los autores pertenecientes a la UAMen_US
dc.description.abstractThe results of a search for pair production of a heavy, top-like quark, tꞌ, in the decay mode tꞌ tꞌ → bW + bW− →bℓ+ νbℓ −ν are presented. The search is performed with a data sample corresponding to an integrated luminosity of 5.0 fb−1 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 tꞌ tꞌ production is found. Upper limits on the production cross section as a function of tꞌ mass are presented, and tꞌ masses below 557 GeV/c2 are excluded at the 95% confidence levelen_US
dc.description.sponsorshipWe congratulate our colleagues in the CERN accelerator departments for the excellent performance of the LHC machine. We thank the technical and administrative staff at CERN and other CMS institutes, and acknowledge support from: FMSR (Austria); FNRS and FWO (Belgium); CNPq, CAPES, FAPERJ, and FAPESP (Brazil); MES (Bulgaria); CERN; CAS, MoST, and NSFC (China); COLCIENCIAS (Colombia); MSES (Croatia); RPF (Cyprus); MoER, SF0690030s09 and ERDF (Estonia); Academy of Finland, MEC, and HIP (Finland); CEA and CNRS/IN2P3 (France); BMBF, DFG, and HGF (Germany); GSRT (Greece); OTKA and NKTH (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); NRF and WCU (Korea); LAS (Lithuania); CINVESTAV, CONACYT, SEP, and UASLP-FAI (Mexico); MSI (New Zealand); PAEC (Pakistan); MSHE and NSC (Poland); FCT (Portugal); JINR (Armenia, Belarus, Georgia, Ukraine, Uzbekistan); MON, RosAtom, RAS and RFBR (Russia); MSTD (Serbia); MICINN and CPAN (Spain); Swiss Funding Agencies (Switzerland); NSC (Taipei); TUBITAK and TAEK (Turkey); STFC (United Kingdom); DOE and NSF (USA)en_US
dc.format.extent19 pag.es_ES
dc.format.mimetypeapplication/pdfen
dc.language.isoengen
dc.publisherCERNen_US
dc.publisherElsevier B.V.en_US
dc.relation.ispartofPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physicsen_US
dc.rights© 2012 CERNen_US
dc.subject.otherCMSen_US
dc.subject.otherPhysicsen_US
dc.subject.otherDileptonen_US
dc.subject.otherTop-likeen_US
dc.subject.otherTprimeen_US
dc.subject.otherFourth generationen_US
dc.titleSearch for heavy, top-like quark pair production in the dilepton final state in pp collisions at √s = 7 TeVen_US
dc.typearticleen
dc.subject.ecienciaFísicaes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.physletb.2012.07.059es_ES
dc.identifier.doi10.1016/j.physletb.2012.07.059es_ES
dc.identifier.publicationfirstpage103es_ES
dc.identifier.publicationissue1es_ES
dc.identifier.publicationlastpage121es_ES
dc.identifier.publicationvolumePhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physicses_ES
dc.type.versioninfo:eu-repo/semantics/publishedVersionen
dc.rights.ccReconocimiento – NoComercial – SinObraDerivadaes_ES
dc.rights.accessRightsopenAccessen
dc.authorUAMFernández Troconiz Acha, Jorge (260192)
dc.facultadUAMFacultad de Ciencias


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