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@ARTICLE{Aad:634635,
      author       = {Aad, Georges and others},
      collaboration = {{ATLAS Collaboration}},
      title        = {{S}earch for the {H}iggs boson decay to a ${Z}$ boson and a
                      photon in $pp$ collisions at $\sqrt{s}=13$ {T}e{V} and
                      $13.6$ {T}e{V} with the {ATLAS} detector},
      reportid     = {PUBDB-2025-02549, arXiv:2507.12598. CERN-EP-2025-155},
      year         = {2025},
      note         = {43 pages in total, author list starting page 26, 4 figures,
                      4 tables, submitted to Phys. Lett. B. All figures including
                      auxiliary figures are available at
                      https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HIGP-2024-19},
      abstract     = {A search for the Higgs boson decay to a $Z$ boson and a
                      photon in the $\ell\ellγ$ ($\ell = e, μ$) final state is
                      performed using $pp$ collisions at $\sqrt{s}=13.6$ TeV
                      recorded with the ATLAS detector at the Large Hadron
                      Collider during 2022-2024, corresponding to an integrated
                      luminosity of 165 fb$^{-1}$. The signal yield, normalised to
                      the Standard Model prediction, is measured to be
                      $μ=0.9^{+0.7}_{-0.6}$, compared to an expected value of
                      $μ=1.0\pm0.7$. This corresponds to an observed (expected)
                      signal significance of 1.4 (1.5) standard deviations for the
                      background-only hypothesis. This result is combined with
                      that of a similar search performed with 140 fb$^{-1}$ of
                      $\sqrt{s}=13$ TeV $pp$ collisions to provide the most
                      stringent expected sensitivity to date to this rare decay,
                      namely an observed (expected) signal strength of $μ=
                      1.3^{+0.6}_{-0.5}$ ($μ= 1.0^{+0.6}_{-0.5}$), corresponding
                      to an observed (expected) significance of 2.5 (1.9) standard
                      deviations. The measurement is consistent with the Standard
                      Model expectation.},
      cin          = {ATLAS},
      cid          = {I:(DE-H253)ATLAS-20120731},
      pnm          = {611 - Fundamental Particles and Forces (POF4-611) / DFG
                      project G:(GEPRIS)469666862 - Präzisionstests des
                      Standardmodells unter der Verwendung von geboosteten
                      W/Z-Bosonen am Large Hadron Collider (469666862) / BARD -
                      B-resonance Algorithm using Rare Decays (101116429) / DITTO
                      - Comprehensive search for new phenomena in the dilepton
                      spectrum at the LHC (101089007) / REALDARK - REAL-time
                      discovery strategies for DARK matter and dark sector signals
                      at the ATLAS detector with Run-3 LHC data (101002463) /
                      SMASH - Machine learning for Sciences and Humanities
                      (101081355)},
      pid          = {G:(DE-HGF)POF4-611 / G:(GEPRIS)469666862 /
                      G:(EU-Grant)101116429 / G:(EU-Grant)101089007 /
                      G:(EU-Grant)101002463 / G:(EU-Grant)101081355},
      experiment   = {EXP:(DE-H253)LHC-Exp-ATLAS-20150101},
      typ          = {PUB:(DE-HGF)25},
      eprint       = {2507.12598},
      howpublished = {arXiv:2507.12598},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2507.12598;\%\%$},
      doi          = {10.3204/PUBDB-2025-02549},
      url          = {https://bib-pubdb1.desy.de/record/634635},
}