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Scientific article
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English

Cross-section measurements for the production of a Z boson in association with high-transverse-momentum jets in pp collisions at $ \sqrt{s} $ = 13 TeV with the ATLAS detector

ContributorsATLAS Collaboration
Published inThe journal of high energy physics, vol. 2023, 80
Publication date2023
First online date2023-06-14
Abstract

Cross-section measurements for a Z boson produced in association with high-transverse-momentum jets (p$_{T}$ ≥ 100 GeV) and decaying into a charged-lepton pair (e$^{+}$e$^{−}$, μ$^{+}$μ$^{−}$) are presented. The measurements are performed using proton–proton collisions at $ \sqrt{s} $ = 13 TeV corresponding to an integrated luminosity of 139 fb$^{−1}$ collected by the ATLAS experiment at the LHC. Measurements of angular correlations between the Z boson and the closest jet are performed in events with at least one jet with p$_{T}$ ≥ 500 GeV. Event topologies of particular interest are the collinear emission of a Z boson in dijet events and a boosted Z boson recoiling against a jet. Fiducial cross sections are compared with state-of-the-art theoretical predictions. The data are found to agree with next-to-next-to-leading-order predictions by NNLOjet and with the next-to-leading-order multi-leg generators MadGraph5_aMC@NLO and Sherpa.

eng
Keywords
  • Electroweak Interaction
  • Hadron-Hadron Scattering
  • P p: scattering
  • P p: colliding beams
  • Z0: associated production
  • Z0: leptonic decay
  • Electron: pair production
  • Muon: pair production
  • Jet: associated production
  • Jet: transverse momentum: high
  • Higher-order: 1
  • Higher-order: 2
  • Perturbation theory: higher-order
  • Quantum chromodynamics: perturbation theory
  • ATLAS
  • Angular correlation
  • Dijet
  • Collinear
  • CERN LHC Coll
  • Topology
  • Channel cross section: measured
  • Experimental results
  • 13000 GeV-cms
Citation (ISO format)
ATLAS Collaboration. Cross-section measurements for the production of a Z boson in association with high-transverse-momentum jets in pp collisions at $ \sqrt{s} $ = 13 TeV with the ATLAS detector. In: The journal of high energy physics, 2023, vol. 2023, p. 80. doi: 10.1007/jhep06(2023)080
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Article (Published version)
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ISSN of the journal1029-8479
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