Measurement of the Electroweak Production of Z Gamma and Two Jets in Proton-Proton Collisions at Root S=13 Tev and Constraints on Anomalous Quartic Gauge Couplings
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Karapınar, Güler
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Abstract
The first observation of the electroweak (EW) production of a Z boson, a photon, and two forward jets (Z gamma jj) in proton-proton collisions at a center-of-mass energy of 13 TeV is presented. A data set corresponding to an integrated luminosity of 137 fb(-1), collected by the CMS experiment at the LHC in 2016-2018 is used. The measured fiducial cross section for EW Z gamma jj is sigma(Ew )= 5.21 +/- 0.52(stat)+/- 0.56(syst) fb = 5.21 +/- 0.76 fb. Single-differential cross sections in photon, leading lepton, and leading jet transverse momenta, and double-differential cross sections in mjj and vertical bar Delta eta(jj)vertical bar are also measured. Exclusion limits on anomalous quartic gauge couplings are derived at 95% confidence level in terms of the effective field theory operators M-0 to M-5, M-7, T-0 to T-2, and T-5 to T-9.
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[No Keywords], lepton, top: single production, 13000 GeV-cms, Hadron Hadron collision, Photons; W & Z bosons; Hadron colliders, jet: transverse momentum, transverse momentum dependence, radiation-hard detectors, Physics, Particles & Fields, high energy physics, High Energy Physics - Experiment, ЭБ БГУ::ТЕХНИЧЕСКИЕ И ПРИКЛАДНЫЕ НАУКИ. ОТРАСЛИ ЭКОНОМИКИ::Ядерная техника, High Energy Physics - Experiment (hep-ex), effective field theory, Hadron-Hadron scattering (experiments), radiation damage to detector materials (solid state), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], tracking detector, info:eu-repo/classification/ddc/530, radiation: damage, PARTICLE PHYSICS, LHC, CMS, hadron colliders, CMS, Physics, ddc:530, photon, photon: transverse momentum, lepton: transverse momentum, 320, Si microstrip and pad detectors, mass dependence, CERN LHC Coll, Top physics, operator: higher-dimensional, Physical Sciences, jet: pair production, semiconductor detector: microstrip, PARTICLE PHYSICS, LHC, high energy physics ; experimental particle physics ; LHC ; CMS ; radiation-hard detectors ; Si microstrip and pad detectors ; radiation damage to detector materials (solid state) ; particle tracking detectors (solid-state detectors) ; radiation: damage ; CMS: upgrade ; tracking detector ; semiconductor detector: design ; semiconductor detector: microstrip ; performance ; Hadron-Hadron scattering (experiments) ; Top physics ; p p: scattering ; p p: colliding beams ; top: single production, performance, p p: scattering, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], dijet: mass spectrum, coupling: gauge, Particles & Fields, p p, scattering, jet, transverse momentum, FOS: Physical sciences, coupling constant: upper limit, Astronomy & Astrophysics, 530, coupling, gauge, Z0: production, differential cross section: measured, particle tracking detectors (solid-state detectors), TeV, W & Z bosons, Hadron-hadron scattering (experiments), Z boson, coupling: anomaly, ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика, coupling: (4gauge boson), High Energy Physics Experiments; CMS; Standard Model; Electroweak Z boson production, experimental particle physics, Photons, Science & Technology, electroweak interaction, PARTICLE PHYSICS;LARGE HADRON COLLIDER;CMS, hep-ex, Física, LARGE HADRON COLLIDER, Z0: associated production, Boson; Partons; Higgs Bosons, photon: associated production, Physics and Astronomy, Z0: leptonic decay, proton-proton collisions, Z0, production, p p: colliding beams, CMS: upgrade, semiconductor detector: design, experimental results
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104
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7
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