KIP-Veröffentlichungen

Jahr 2023
Autor(en) ATLAS Collaboration
Titel Measurement of Zγγ production in pp collisions at √s= 13 TeV with the ATLAS detector
KIP-Nummer HD-KIP 23-111
KIP-Gruppe(n) F8
Dokumentart Paper
Keywords (angezeigt) ATLAS, LHC, boson
Quelle European Physical Journal C 83 (2023) 539
doi 10.1140/epjc/s10052-023-11579-8
Abstract (en)

Cross-sections for the production of a Z boson in association with two photons are measured in proton–proton collisions at a centre-of-mass energy of 13 TeV. The data used correspond to an integrated luminosity of 139 fb-1 recorded by the ATLAS experiment during Run 2 of the LHC. The measurements use the electron and muon decay channels of the Z boson, and a fiducial phase-space region where the photons are not radiated from the leptons. The integrated Z(→ll )γγ cross-section is measured with a precision of 12% and differential cross-sections are measured as a function of six kinematic variables of the Zγγ system. The data are compared with predictions from MC event generators which are accurate to up to next-to-leading order in QCD. The cross-section measurements are used to set limits on the coupling strengths of dimension-8 operators in the framework of an effective field theory.

bibtex
@article{Aad2023,
  author   = {ATLAS Collaboration},
  title    = {Measurement of $$Z\gamma \gamma $$ production in pp collisions at $$\sqrt{s}= 13$$ TeV with the ATLAS detector},
  journal  = {The European Physical Journal C},
  year     = {2023},
  volume   = {83},
  number   = {6},
  month    = {June},
  doi      = {10.1140/epjc/s10052-023-11579-8}
}
URL Aad2023
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