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Search for the Minimal Supersymmetric Standard Model Neutral Higgs Bosons (A/H) decaying to tau+tau- in pp collisions at sqrt{s}=13 TeV with the ATLAS Detector

  • Author / Creator
    Jabbar, Samina
  • This thesis presents results of a search for the neutral Higgs bosons (A/H) of the Minimal Supersymmetric Standard Model (MSSM) performed using the data corresponding to an integrated luminosity of 3.21 fb$^{-1}$ from proton-proton collisions at the centre of mass energy $\sqrt{s}$ = 13 TeV recorded by the ATLAS detector at the LHC. Two primary MSSM neutral Higgs production modes, gluon-gluon fusion and in association with b-quarks, are considered. The analysis presented here searches for events where the neutral Higgs bosons decay to a $\tau^+\tau^-$ pair with one $\tau$ decaying to leptons ($e/\mu$) and the other $\tau$ decaying to hadrons. The data are in good agreement with the background predicted by the Standard Model and the results provide an upper limit on the production cross section times branching fraction of the scalar boson decay to $\tau^+\tau^-$ as a function of the boson mass. The results are also interpreted in the $mh^{mod+}$ MSSM benchmark scenario to derive exclusion limits on the $m{A/H}-\tan\beta$ plane.

  • Subjects / Keywords
  • Graduation date
    Spring 2017
  • Type of Item
    Thesis
  • Degree
    Doctor of Philosophy
  • DOI
    https://doi.org/10.7939/R3W08WZ5P
  • License
    This thesis is made available by the University of Alberta Libraries with permission of the copyright owner solely for non-commercial purposes. This thesis, or any portion thereof, may not otherwise be copied or reproduced without the written consent of the copyright owner, except to the extent permitted by Canadian copyright law.