Measurement of electroweak WZ boson production and search for new physics in WZ + two jets events in pp collisions at √s=13TeV
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Sirunyan, A. M.; Cabrillo Bartolomé, José Ibán; Calderón Tazón, Alicia; Chazín Quero, Bárbara; Duarte Campderros, Jorge; Fernández García, Marcos; Fernández Manteca, Pedro José; García Alonso, Andrea; García Ferrero, Juan; Gómez Gramuglio, Gervasio; López Virto, María Amparo; Marco de Lucas, Jesús; Martínez Rivero, Celso; Martínez Ruiz del Árbol, Pablo; Matorras Weinig, Francisco; Piedra Gómez, Jonatan; Prieëls, Cédric; Rodrigo Anoro, Teresa; Ruiz Jimeno, Alberto; [et al.]Fecha
2019-08Derechos
Attribution 4.0 International
Publicado en
Physics Letters B, 795 281-307 (2019)
Editorial
Elsevier
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Palabras clave
CMS
Physics
SM
WZ
VBS
Resumen/Abstract
A measurement of WZ electroweak (EW) vector boson scattering is presented. The measurement is performed in the leptonic decay modes WZ→ℓνℓ′ℓ′, where ℓ,ℓ′=e,μ. The analysis is based on a data sample of proton-proton collisions at √s=13 TeV at the LHC collected with the CMS detector and corresponding to an integrated luminosity of 35.9 fb−1. The WZ plus two jet production cross section is measured in fiducial regions with enhanced contributions from EW production and found to be consistent with standard model predictions. The EW WZ production in association with two jets is measured with an observed (expected) significance of 2.2 (2.5) standard deviations. Constraints on charged Higgs boson production and on anomalous quartic gauge couplings in terms of dimension-eight effective field theory operators are also presented.
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