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Search for the charged-lepton-flavor-violating decay Z → eμ in pp collisions at √s = 13 TeV ATLAS detector

  • ATLAS Collaboration
  • iThemba Labs
  • Department of Physics
  • University of South Africa
  • Cadi Ayyad University
  • Moroccan Foundation for Advanced Science Innovation and Research (MAScIR)
  • Dep Física and CEFITEC of Faculdade de Ciências e Tecnologia
  • NOVA University Lisbon
  • CERN
  • Adelaide University
  • University of Alberta
  • TRIUMF
  • Ankara University
  • TOBB University of Economics and Technology
  • Université Savoie Mont Blanc
  • National Institute for Nuclear Physics
  • University of Naples Federico II
  • University of Toronto
  • Argonne National Laboratory

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

A search for the charged-lepton-flavor-violating process Formula Presented is presented, using Formula Presented of Formula Presented Formula Presented collision data collected by the ATLAS experiment at the LHC. An excess in the Formula Presented invariant mass spectrum near the Formula Presented boson mass would be a striking signature of new physics. No excess is observed, and an upper limit Formula Presented is placed on the branching fraction at 95% confidence level, which is the most stringent limit to date.

Original languageEnglish
Article number032015
JournalPhysical Review D
Volume108
Issue number3
DOIs
StatePublished - Aug 1 2023

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