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@ARTICLE{Aad:588796,
      author       = {Aad, Georges and others},
      collaboration = {{ATLAS Collaboration}},
      title        = {{E}xclusive dielectron production in ultraperipheral
                      {P}b+{P}b collisions at $ \sqrt{s_{\textrm{{NN}}}} $ = 5.02
                      {T}e{V} with {ATLAS}},
      journal      = {Journal of high energy physics},
      volume       = {06},
      number       = {6},
      issn         = {1126-6708},
      address      = {[Trieste]},
      publisher    = {SISSA},
      reportid     = {PUBDB-2023-04953, arXiv:2207.12781. CERN-EP-2022-130},
      pages        = {182},
      year         = {2023},
      note         = {21 pages in total, 7 figures, 0 tables, submitted to JHEP.
                      All figures including auxiliary figures are available at
                      http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HION-2021-16},
      abstract     = {Exclusive production of dielectron pairs, γγ →
                      e$^{+}$e$^{−}$, is studied using $
                      {\mathcal{L}}_{\textrm{int}} $ = 1.72 nb$^{−1}$ of data
                      from ultraperipheral collisions of lead nuclei at $
                      \sqrt{s_{\textrm{NN}}} $ = 5.02 TeV recorded by the ATLAS
                      detector at the LHC. The process of interest proceeds via
                      photon–photon interactions in the strong electromagnetic
                      fields of relativistic lead nuclei. Dielectron production is
                      measured in the fiducial region defined by following
                      requirements: electron transverse momentum $
                      {p}_{\textrm{T}}^e $> 2.5 GeV, absolute electron
                      pseudorapidity |η$^{e}$| < 2.5, dielectron invariant mass
                      m$_{ee}$> 5 GeV, and dielectron transverse momentum $
                      {p}_{\textrm{T}}^{ee} $< 2 GeV. Differential cross-sections
                      are measured as a function of m$_{ee}$, average $
                      {p}_{\textrm{T}}^e $, absolute dielectron rapidity
                      |y$_{ee}$|, and scattering angle in the dielectron rest
                      frame, |cos θ$^{*}$|, in the inclusive sample, and also
                      with a requirement of no activity in the forward direction.
                      The total integrated fiducial cross-section is measured to
                      be $ 215\pm
                      1{\left(\textrm{stat}.\right)}_{-20}^{+23}\left(\textrm{syst}.\right)\pm
                      4\left(\textrm{lumi}.\right) $μb. Within experimental
                      uncertainties the measured integrated cross-section is in
                      good agreement with the QED predictions from the Monte Carlo
                      programs Starlight and SuperChic, confirming the broad
                      features of the initial photon fluxes. The differential
                      cross-sections show systematic differences from these
                      predictions which are more pronounced at high |y$_{ee}$| and
                      |cos θ$^{*}$| values.[graphic not available: see fulltext]},
      keywords     = {lead: nucleus (INSPIRE) / electromagnetic field: high
                      (INSPIRE) / electron: rapidity (INSPIRE) / cross section:
                      measured (INSPIRE) / electron: transverse momentum (INSPIRE)
                      / photon photon: interaction (INSPIRE) / heavy ion:
                      scattering (INSPIRE) / peripheral (INSPIRE) / ATLAS
                      (INSPIRE) / differential cross section (INSPIRE) / quantum
                      electrodynamics (INSPIRE) / CERN LHC Coll (INSPIRE) /
                      exclusive production (INSPIRE) / Monte Carlo (INSPIRE) /
                      5020 GeV-cms/nucleon (INSPIRE) / Heavy Ion Experiments
                      (autogen) / Heavy-Ion Collision (autogen)},
      cin          = {ATLAS},
      ddc          = {530},
      cid          = {I:(DE-H253)ATLAS-20120731},
      pnm          = {611 - Fundamental Particles and Forces (POF4-611)},
      pid          = {G:(DE-HGF)POF4-611},
      experiment   = {EXP:(DE-H253)LHC-Exp-ATLAS-20150101},
      typ          = {PUB:(DE-HGF)16},
      eprint       = {2207.12781},
      howpublished = {arXiv:2207.12781},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2207.12781;\%\%$},
      UT           = {WOS:001069745300005},
      doi          = {10.1007/JHEP06(2023)182},
      url          = {https://bib-pubdb1.desy.de/record/588796},
}