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@ARTICLE{Hayrapetyan:645855,
      author       = {Hayrapetyan, Aram and others},
      collaboration = {{CMS Collaboration}},
      title        = {{M}easurement and effective field theory interpretation of
                      the photon-fusion production cross section of a pair of {W}
                      bosons in proton-proton collisions at $\sqrt{s}$ = 13
                      {T}e{V}},
      reportid     = {PUBDB-2026-00654, arXiv:2601.21574. CMS-SMP-24-019.
                      CERN-EP-2025-273},
      year         = {2026},
      note         = {Submitted to the Journal of High Energy Physics. All
                      figures and tables can be found at
                      http://cms-results.web.cern.ch/cms-results/public-results/publications/SMP-24-019
                      (CMS Public Pages)},
      abstract     = {This analysis presents an observation of the photon-fusion
                      production of W boson pairs using the CMS detector at the
                      LHC. The total cross section of the W$^+$W$^-$ production in
                      photon fusion is measured using proton-proton collision data
                      with an integrated luminosity of 138 fb$^{-1}$ collected
                      with the CMS detector in 2016$-$2018 at a center-of-mass
                      energy of $\sqrt{s}$ = 13 TeV. Events are selected in the
                      final state with one isolated electron and one isolated
                      muon, and no additional tracks associated with the
                      electron-muon production vertex. The total and fiducial
                      production cross sections are 643$^{+82}_{-78}$ fb and
                      3.96$^{+0.53}_{-0.51}$ fb, respectively, in agreement with
                      the standard model predictions of 631 $\pm$ 126 fb and 3.87
                      $\pm$ 0.77 fb. This agreement enables stringent constraints
                      to be imposed on anomalous quartic gauge couplings within a
                      dimension-8 effective field theory framework.},
      cin          = {CMS},
      cid          = {I:(DE-H253)CMS-20120731},
      pnm          = {611 - Fundamental Particles and Forces (POF4-611) / DFG
                      project G:(GEPRIS)390833306 - EXC 2121: Das Quantisierte
                      Universum II (390833306) / HIDSS-0002 - DASHH: Data Science
                      in Hamburg - Helmholtz Graduate School for the Structure of
                      Matter $(2019_IVF-HIDSS-0002)$},
      pid          = {G:(DE-HGF)POF4-611 / G:(GEPRIS)390833306 /
                      $G:(DE-HGF)2019_IVF-HIDSS-0002$},
      experiment   = {EXP:(DE-H253)LHC-Exp-CMS-20150101},
      typ          = {PUB:(DE-HGF)25},
      eprint       = {2601.21574},
      howpublished = {arXiv:2601.21574},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2601.21574;\%\%$},
      url          = {https://bib-pubdb1.desy.de/record/645855},
}