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Search for exclusive Higgs and Z boson decays to ωγ and Higgs boson decays to K⁎γ with the ATLAS detector

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  • Additional Information
    • Publication Information:
      Elsevier
    • Publication Date:
      2023
    • Collection:
      DIGIBUG: Repositorio Institucional de la Universidad de Granada
    • Abstract:
      Searches for the exclusive decays of the Higgs boson to an ω meson and a photon or a ⁎ meson and a photon can probe flavour-conserving and flavour-violating Higgs boson couplings to light quarks, respectively. Searches for these decays, along with the analogous Z boson decay to an ω meson and a photon, are performed with a pp collision data sample corresponding to integrated luminosities of up to 134 fb−1 collected at TeV with the ATLAS detector at the CERN Large Hadron Collider. The obtained 95% confidence-level upper limits on the respective branching fractions are , ⁎ and . The limits for and are 370 times and 140 times the Standard Model expected values, respectively. The result for corresponds to a two-orders-of-magnitude improvement over the limit obtained by the DELPHI experiment at LEP. ; ANPCyT ; YerPhI, Armenia ; Australian Research Council ; BMWFW ; Austrian Science Fund (FWF) ; Azerbaijan National Academy of Sciences (ANAS) ; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPQ) ; Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) ; Natural Sciences and Engineering Research Council of Canada (NSERC) ; Canada Foundation for Innovation ; National Natural Science Foundation of China (NSFC) ; MEYS CR, Czech Republic ; DNRF ; Danish Natural Science Research Council ; Centre National de la Recherche Scientifique (CNRS) ; CEA-DRF/IRFU, France ; Federal Ministry of Education & Research (BMBF) ; Max Planck Society ; RGC and Hong Kong SAR, China ; Israel Science Foundation ; Istituto Nazionale di Fisica Nucleare (INFN) ; Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT) ; Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT) Japan Society for the Promotion of Science ; CNRST, Morocco ; RCN, Norway ; MEiN, Poland ; Fundacao para a Ciencia e a Tecnologia (FCT) ; MNE/IFA, Romania ; Ministry of Education, Science & Technological Development, Serbia ; MSSR, Slovakia ; Slovenian Research Agency - Slovenia ; MIZS, Slovenia ; Spanish ...
    • Relation:
      The ATLAS Collaboration. Phys. Lett. B 847 (2023) 138292 [https://doi.org/10.1016/j.physletb.2023.138292]; https://hdl.handle.net/10481/91570
    • Accession Number:
      10.1016/j.physletb.2023.138292
    • Online Access:
      https://hdl.handle.net/10481/91570
      https://doi.org/10.1016/j.physletb.2023.138292
    • Rights:
      Atribución 4.0 Internacional ; http://creativecommons.org/licenses/by/4.0/ ; info:eu-repo/semantics/openAccess
    • Accession Number:
      edsbas.1E5961C