Measurement of the Higgs boson inclusive and differential fiducial production cross sections in the diphoton decay channel with pp collisions at $ \sqrt{s} $ = 13 TeV

Benecke, Anna;Bruno, Giacomo;Bury, Florian;Caputo, Claudio;Bethani, Agni;et.al.
(2023) Journal of High Energy Physics — Vol. 07 (2023)

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Authors
  • Benecke, AnnaUCLouvain
    Author
  • Author
  • Bury, FlorianUCLouvain
    Author
  • Caputo, ClaudioUCLouvain
    Author
  • David, PieterUCLouvain
    Author
  • Author
  • Donertas, Izzeddin SuatUCLouvain
    Author
  • Author
  • Jaffel, KhawlaUCLouvain
    Author
  • Jain, SandhyaUCLouvain
    Author
  • Author
  • Mondal, KuntalUCLouvain
    Author
  • Prisciandaro, JessicaUCLouvain
    Author
  • Taliercio, AngelaUCLouvain
    Author
  • Tran, Tu ThongUCLouvain
    Author
  • Vischia, PietroUCLouvain
    Author
  • Wertz, SébastienUCLouvain
    Author
  • Bethani, Agniorcid-logoUCLouvain
    Author
  • et. al.
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Abstract
The measurements of the inclusive and differential fiducial cross sections of the Higgs boson decaying to a pair of photons are presented. The analysis is performed using proton-proton collisions data marc:recorded with the CMS detector at the LHC at a centre-of-mass energy of 13 TeV and corresponding to an integrated luminosity of 137 fb$^{−1}$. The inclusive fiducial cross section is measured to be $ {\sigma}_{\textrm{fid}}={73.4}_{-5.3}^{+5.4}{\left(\textrm{stat}\right)}_{-2.2}^{+2.4}\left(\textrm{syst}\right) $ fb, in agreement with the standard model expectation of 75.4 ± 4.1 fb. The measurements are also performed in fiducial regions targeting different production modes and as function of several observables describing the diphoton system, the number of additional jets present in the event, and other kinematic observables. Two double differential measurements are performed. No significant deviations from the standard model expectations are observed.[graphic not available: see fulltext]
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Benecke, A., Bruno, G., Bury, F., Caputo, C., David, P., Delaere, C., Donertas, I. S., Giammanco, A., Jaffel, K., Jain, S., Lemaitre, V., Mondal, K., Prisciandaro, J., Taliercio, A., Tran, T. T., Vischia, P., Wertz, S., CMS, Bethani, A., & et al. (2023). Measurement of the Higgs boson inclusive and differential fiducial production cross sections in the diphoton decay channel with pp collisions at $ \sqrt{s} $ = 13 TeV. Journal of High Energy Physics, 07. https://doi.org/10.1007/JHEP07(2023)091 (Original work published 2023)