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Search for resonances in events with photon and jet final states in proton-proton collisions at √s=13 TeV

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  • معلومة اضافية
    • الموضوع:
      2023
    • Collection:
      Ghent University Academic Bibliography
    • نبذة مختصرة :
      A search for resonances in events with the gamma+jet final state has been performed using proton-proton collision data collected at root s = 13 TeV by the CMS experiment at the LHC. The total data analyzed correspond to an integrated luminosity of 138 fb(-1). Models of excited quarks and quantum black holes are considered. Using a wide-jet reconstruction for the candidate jet, the gamma +jet invariant mass spectrum measured in data is examined for the presence of resonances over the standard model continuum background. The background is estimated by fitting this mass distribution with a functional form. The data exhibit no statistically significant deviations from the expected standard model background. Exclusion limits at 95% confidence level on the resonance mass and other parameters are set. Excited light-flavor quarks (excited bottom quarks) are excluded up to a mass of 6.0 (3.8) TeV. Quantum black hole production is excluded for masses up to 7.5 (5.2) TeV in the ArkaniHamed-Dimopoulos-Dvali (Randall-Sundrum) model. These lower mass bounds are the most stringent to date among those obtained in the gamma +jet final state.
    • File Description:
      application/pdf
    • Relation:
      https://biblio.ugent.be/publication/01J089KSQX29EGB75TAJ4MC8B8; http://hdl.handle.net/1854/LU-01J089KSQX29EGB75TAJ4MC8B8; http://doi.org/10.1007/JHEP12(2023)189; https://biblio.ugent.be/publication/01J089KSQX29EGB75TAJ4MC8B8/file/01J089M23863YAYP6VPFYDH16B
    • الرقم المعرف:
      10.1007/JHEP12(2023)189
    • Rights:
      Creative Commons Attribution 4.0 International Public License (CC-BY 4.0) ; info:eu-repo/semantics/openAccess
    • الرقم المعرف:
      edsbas.6FFEA5C3