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

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dc.contributor.authorSirunyan, A. M.
dc.contributor.authorTumasyan, A. R.
dc.contributor.authorAdam, Wolfgang
dc.contributor.authorAmbrogi, Federico
dc.contributor.authorBergauer, Thomas
dc.contributor.authorDragicevic, Marko
dc.contributor.authorErö, Janos
dc.date.accessioned2026-01-22T19:46:04Z
dc.date.issued2021
dc.departmentŞırnak Üniversitesi
dc.description.abstractEvidence 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 s=13TeV collected with the CMS detector in 2016–2018, and corresponding to an integrated luminosity of 137fb?1. The search is performed in the fully leptonic final state ZZ???????, where ?,??=e,?. 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 ?<inf>EW</inf>(pp?ZZjj???????jj)=0.33<inf>?0.10</inf> +0.11(stat)<inf>?0.03</inf> +0.04(syst)fb in the most inclusive volume, in agreement with the standard model prediction of 0.275±0.021fb. 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. © 2020 The Author(s)
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dc.identifier.doi10.1016/j.physletb.2020.135992
dc.identifier.issn0370-2693
dc.identifier.scopus2-s2.0-85100595063
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.physletb.2020.135992
dc.identifier.urihttps://hdl.handle.net/11503/3199
dc.identifier.volume812
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier B.V.
dc.relation.ispartofPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_Scopus_20260122
dc.subjectaQGC
dc.subjectCMS
dc.subjectPhysics
dc.subjectSM
dc.subjectVBS
dc.subjectZZ
dc.titleEvidence for electroweak production of four charged leptons and two jets in proton-proton collisions at s=13TeV
dc.typeArticle

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