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Evidence for electroweak production of four charged leptons and two jets in proton-proton collisions at [root of] s=13 TeV

Abstract: Evidence is presented for the electroweak (EW) production of two jets (jj) in association with two Z bosons and constraints on anomalous quartic gauge couplings are set. The analysis is based on a data sample of proton-proton collisions at collected with the CMS detector in 2016?2018, and corresponding to an integrated luminosity of 137. The search is performed in the fully leptonic final state , where . The EW production of two jets in association with two Z bosons is measured with an observed (expected) significance of 4.0 (3.5) standard deviations. The cross sections for the EW production are measured in three fiducial volumes and the result is in the most inclusive volume, in agreement with the standard model prediction of . Measurements of total cross sections for jj production in association with two Z bosons are also reported. Limits on anomalous quartic gauge couplings are derived in terms of the effective field theory operators T0, T1, T2, T8, and T9.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

Fuente: Physics Letters B . Volume 812, 10 January 2021, 135992

Editorial: Elsevier

Año de publicación: 2021

Nº de páginas: 25

Tipo de publicación: Artículo de Revista

ISSN: 0370-2693,1873-2445

Url de la publicación: https://doi.org/10.1016/j.physletb.2020.135992

Autores/as

THE CMS COLLABORATION

PEDRO JOSE FERNANDEZ MANTECA

CEDRIC GERALD PRIEELS

FRANCESCA SHUN-NING ANNAROSA RICCI-TAM