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Search for heavy narrow dilepton resonances in pp collisions at √s=7 TeV and 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, S. H.
dc.contributor.authorDuarte Campderros, Jorge 
dc.contributor.authorFelcini, Marta
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.accessioned2022-08-25T09:56:26Z
dc.date.available2022-08-25T09:56:26Z
dc.date.issued2013-03
dc.identifier.issn0370-2693
dc.identifier.issn1873-2445
dc.identifier.urihttp://hdl.handle.net/10902/25794
dc.description.abstractAn updated search for heavy narrow resonances decaying to muon or electron pairs using the CMS detector is presented. Data samples from pp collisions at √s = 7 TeV and 8 TeV at the LHC, with integrated luminosities of up to 5.3 and 4.1 fb−1, respectively, are combined. No evidence for a heavy narrow resonance is observed. The analysis of the combined data sets excludes, at 95% confidence level, a Sequential Standard Model Z'SSM resonance lighter than 2590 GeV, a superstring-inspired Z'ψ lighter than 2260 GeV, and Kaluza–Klein gravitons lighter than 2390 (2030) GeV, assuming that the coupling parameter k/MPl is 0.10 (0.05). These are the most stringent limits to date.es_ES
dc.description.sponsorshipWe congratulate our colleagues in the CERN accelerator departments for the excellent performance of the LHC and thank the technical and administrative staffs at CERN and at other CMS institutes for their contributions to the success of the CMS effort. In addition, we gratefully acknowledge the computing centers and personnel of the Worldwide LHC Computing Grid for delivering so effectively the computing infrastructure essential to our analyses. Finally, we acknowledge the enduring support for the construction and operation of the LHC and the CMS detector provided by the following funding agencies: BMWF and FWF (Austria); FNRS and FWO (Belgium); CNPq, CAPES, FAPERJ, and FAPESP (Brazil); MEYS (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 (Republic of 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); SEIDI and CPAN (Spain); Swiss Funding Agencies (Switzerland); NSC (Taipei); ThEPCenter, IPST and NSTDA (Thailand); TUBITAK and TAEK (Turkey); NASU (Ukraine); STFC (United Kingdom); DOE and NSF (USA).es_ES
dc.format.extent20 p.es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.rightsAtribución 3.0 España. © 2013 CERN. Published by Elsevier B.V.es_ES
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/es/*
dc.sourcePhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 2013, 720(1-3), 63-82es_ES
dc.subject.otherCMSes_ES
dc.subject.otherPhysicses_ES
dc.subject.otherResonanceses_ES
dc.subject.otherZ'es_ES
dc.subject.otherMuonses_ES
dc.subject.otherElectronses_ES
dc.titleSearch for heavy narrow dilepton resonances in pp collisions at √s=7 TeV and s=8 TeVes_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.relation.publisherVersionhttps://doi.org/10.1016/j.physletb.2013.02.003es_ES
dc.rights.accessRightsopenAccesses_ES
dc.identifier.DOI10.1016/j.physletb.2013.02.003
dc.type.versionpublishedVersiones_ES


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Atribución 3.0 España. © 2013 CERN. Published by Elsevier B.V.Excepto si se señala otra cosa, la licencia del ítem se describe como Atribución 3.0 España. © 2013 CERN. Published by Elsevier B.V.