Search for Leptophobic Z' Bosons Decaying Into Four-Lepton Final States in Proton–proton Collisions at S=8tev
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Karapınar, Güler
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Abstract
A search for heavy narrow resonances decaying into four-lepton final states has been performed using proton–proton collision data at s=8TeV collected by the CMS experiment, corresponding to an integrated luminosity of 19.7fb−1. No excess of events over the standard model background expectation is observed. Upper limits for a benchmark model on the product of cross section and branching fraction for the production of these heavy narrow resonances are presented. The limit excludes leptophobic Z′ bosons with masses below 2.5TeV within the benchmark model. This is the first result to constrain a leptophobic Z′ resonance in the four-lepton channel.
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Large Hadron Collider (LHC), Compact Muon Solenoid, Compact Muon Solenoid, Standard Model, ATLAS DETECTOR, Large Hadron Collider (LHC), Z’, Physics, Particles & Fields, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), benchmark, Z', Z′, gauge boson: postulated particle, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], LHC; CMS; Physics; Exotica; Z '; Four leptons, Physic, info:eu-repo/classification/ddc/530, Four leptons, Exotica, 8000 GeV-cms, CMS; Exotica; Four leptons; LHC; Physics; Z ', CMS, Physics, ddc:530, 320, Z': mass, Nuclear & Particles Physics, LHC; CMS; Physics; Exotica; Z' boson; Four leptons, Physics, Nuclear, CERN LHC Coll, Q1 Science (General) / természettudomány általában, Physical Sciences, Physique des particules élémentaires, High energy physics, Experimental particle physics, LHC, CMS, Standard Model, PARTICLE PHYSICS, Lhc, LHC, narrow resonance, physics, LHC, CMS, Physics, Exotica, Z', Four leptons, Z, DIMENSIONS, Nuclear and High Energy Physics, p p: scattering, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], cms, QC1-999, Particles & Fields, STANDARD MODEL, FOS: Physical sciences, Astronomy & Astrophysics, MASS, 530, CMS; Exotica; Four leptons; LHC; Physics; Z′; Nuclear and High Energy Physics, PHYSICS, CMS; Exotica; Four leptons; LHC; Physics; Z; ′;, 0202 Atomic, Molecular, Nuclear, Particle And Plasma Physics, lepton: coupling: low, Nuclear, High energy physics, ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика, Z ', CMS; Exotica; Four leptons; LHC; Physics; Z; ′, Z': cascade decay, Science & Technology, hep-ex, PARTICLE PHYSICS;LARGE HADRON COLLIDER;CMS, background, Z′, 500, Molecular, final state: (4lepton), cross section: branching ratio: upper limit, LHC; CMS; Physics; Exotica; Z '; Four leptons; STANDARD MODEL; ATLAS DETECTOR; PHYSICS; MASS; DIMENSIONS; RESONANCES, LARGE HADRON COLLIDER, Physics and Astronomy, Four Leptons, 0202 Atomic, Particle And Plasma Physics, Four lepton, Experimental particle physics, RESONANCES, p p: colliding beams, experimental results
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01 natural sciences, 06 humanities and the arts, 0103 physical sciences, 0105 earth and related environmental sciences, 0604 arts
Citation
Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Asilar, E., Bergauer,T., Brandstetter, J.,...CMS Collaboration (2017). Search for leptophobic Z′ bosons decaying into four-lepton final states in proton–proton collisions at √s=8TeV. Physics Letters, Section B, 773, 563-584. doi:10.1016/j.physletb.2017.08.069
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773
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563
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584
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