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@ARTICLE{Ai:634646,
      author       = {Ai, Xiaocong and Hsu, Shih-Chieh and Li, Kena and Lu,
                      Chih-Ting},
      title        = {{P}robing highly collimated photon-jets with deep learning},
      journal      = {Journal of physics / Conference Series},
      volume       = {2438},
      number       = {1},
      issn         = {1742-6588},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {PUBDB-2025-02560, arXiv:2203.16703. DESY-22-034},
      pages        = {012114},
      year         = {2023},
      abstract     = {Many extensions of the standard model (SM) predict the
                      existence of axion-like particles and/or dark Higgs in the
                      sub-GeV scale. Two new sub-GeV particles, a scalar and a
                      pseudoscalar, produced through the Higgs boson exotic
                      decays, are investigated. The decay signatures of these two
                      new particles with highly collimated photons in the final
                      states are discriminated from the ones of SM backgrounds
                      using the Convolutional Neural Networks and Boosted Decision
                      Trees techniques. The sensitivities of searching for such
                      new physics signatures at the Large Hadron Collider are
                      obtained.},
      month         = {Nov},
      date          = {2021-11-29},
      organization  = {20th International Workshop on
                       Advanced Computing and Analysis
                       Techniques in Physics Research, Daejeon
                       (South Korea), 29 Nov 2021 - 3 Dec
                       2021},
      keywords     = {decay: exotic (INSPIRE) / new physics: signature (INSPIRE)
                      / collimator (INSPIRE) / axion-like particles (INSPIRE) /
                      sensitivity (INSPIRE) / photon (INSPIRE) / new particle
                      (INSPIRE) / CERN LHC Coll (INSPIRE) / background (INSPIRE) /
                      Higgs particle (INSPIRE) / neural network (INSPIRE) /
                      pseudoscalar (INSPIRE)},
      cin          = {$Z_ATUP$},
      ddc          = {530},
      cid          = {$I:(DE-H253)Z_ATUP-20210408$},
      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)8 / PUB:(DE-HGF)16},
      eprint       = {2203.16703},
      howpublished = {arXiv:2203.16703},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2203.16703;\%\%$},
      doi          = {10.1088/1742-6596/2438/1/012114},
      url          = {https://bib-pubdb1.desy.de/record/634646},
}