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dc.contributor.authorChatrchyan, S.-
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, Rafael-
dc.contributor.authorMarco, Jesús-
dc.contributor.authorMartínez-Rivero, Celso-
dc.contributor.authorMatorras, Francisco-
dc.contributor.authorMuñoz Sánchez, F. J.-
dc.contributor.authorPiedra, Jonatan-
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.date.accessioned2012-06-21T11:49:59Z-
dc.date.available2012-06-21T11:49:59Z-
dc.date.issued2011-
dc.identifier.citationPhysical Review D 84(11): 112002 (2011)es_ES
dc.identifier.issn0556-2821-
dc.identifier.urihttp://hdl.handle.net/10261/52003-
dc.description23 páginas, 9 figuras, 2 tablas.-- PACS numbers: 12.15. y, 13.88.+e, 14.70.-e.-- CMS Collaboration: et al.es_ES
dc.description.abstractA multivariate likelihood method to measure electroweak couplings with the Drell–Yan process at the LHC is presented. The process is described by the dilepton rapidity, invariant mass, and decay angle distributions. The decay angle ambiguity due to the unknown assignment of the scattered constituent quark and antiquark to the two protons in a collision is resolved statistically using correlations between the observables. The method is applied to a sample of dimuon events from proton-proton collisions at √s=7  TeV collected by the CMS experiment at the LHC, corresponding to an integrated luminosity of 1.1  fb-1. From the dominant uu̅ , dd̅ →γ*/Z→μ-μ+ process, the effective weak mixing angle parameter is measured to be sin⁡2θeff=0.2287±0.0020 (stat.)±0.0025 (syst.). This result is consistent with measurements from other processes, as expected within the standard model.es_ES
dc.language.isoenges_ES
dc.publisherAmerican Physical Societyes_ES
dc.rightsopenAccesses_ES
dc.titleMeasurement of the weak mixing angle with the Drell-Yan process in proton-proton collisions at the LHCes_ES
dc.typeArtículoes_ES
dc.identifier.doi10.1103/PhysRevD.84.112002-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1103/PhysRevD.84.112002es_ES
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