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@ARTICLE{Aad:620126,
      author       = {Aad, Georges and others},
      collaboration = {{ATLAS Collaboration}},
      title        = {{T}est of lepton flavour universality in ${W}$-boson decays
                      into electrons and $\tau$-leptons using $pp$ collisions at
                      $\sqrt{s}=13$ {T}e{V} with the {ATLAS} detector},
      reportid     = {PUBDB-2025-00043, arXiv:2412.11989. CERN-EP-2024-315},
      year         = {2024},
      note         = {50 pages in total, author list starting page 33, 8 figures,
                      4 tables, submitted to JHEP. All figures including auxiliary
                      figures are available at
                      http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/TOPQ-2023-10},
      abstract     = {A measurement of the ratio of the branching fractions,
                      $R_{\tau/e} = B(W \to \tau \nu)/ B(W \to e \nu)$, is
                      performed using a sample of $W$ bosons originating from
                      top-quark decays to final states containing $\tau$-leptons
                      or electrons. This measurement uses $pp$ collisions at
                      $\sqrt{s}=13$ TeV, collected by the ATLAS experiment at the
                      Large Hadron Collider during Run 2, corresponding to an
                      integrated luminosity of 140 fb$^{-1}$. The $W \to \tau
                      \nu_\tau$ (with $\tau \to e \nu_e \nu_\tau$) and $W \to e
                      \nu_e$ decays are distinguished using the differences in the
                      impact parameter distributions and transverse momentum
                      spectra of the electrons. The measured ratio of branching
                      fractions $R_{\tau/e} = 0.975 \pm 0.012 \textrm{(stat.)} \pm
                      0.020 \textrm{(syst.)}$, is consistent with the Standard
                      Model assumption of lepton flavour universality in $W$-boson
                      decays.},
      cin          = {ATLAS},
      cid          = {I:(DE-H253)ATLAS-20120731},
      pnm          = {611 - Fundamental Particles and Forces (POF4-611)},
      pid          = {G:(DE-HGF)POF4-611},
      experiment   = {EXP:(DE-H253)LHC-Exp-ATLAS-20150101},
      typ          = {PUB:(DE-HGF)25},
      eprint       = {2412.11989},
      howpublished = {arXiv:2412.11989},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2412.11989;\%\%$},
      doi          = {10.3204/PUBDB-2025-00043},
      url          = {https://bib-pubdb1.desy.de/record/620126},
}