September 1, 2023 Doctoral Dissertation Open Access

Link, Marco

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  <dc:creator>Link, Marco</dc:creator>
  <dc:date>2023-09-01</dc:date>
  <dc:description>The production of top quarks in association with a Higgs boson allows to directly measure the Yukawa coupling between the top quark and the Higgs boson. While the production of a Higgs boson with a top quark pair (ttH) is only sensitive to absolute values of this coupling, the production with a single top quark (tH) is through interference also sensitive to the relative sign between the top-Yukawa coupling and the Higgs-Vector boson coupling. In addition to the search for tH production, the top-Yukawa coupling is measured in two different coupling scenarios: A Standard Model scenario and a scenario introducing coupling to an additional pseudoscalar Higgs boson.

In addition, a new method to measure the top quark decay width in Wb scattering is developed and the performance of flavor tagging at trigger level in 2023 is evaluated.</dc:description>
  <dc:identifier>https://publish.etp.kit.edu/record/22188</dc:identifier>
  <dc:identifier>oai:publish.etp.kit.edu:22188</dc:identifier>
  <dc:language>eng</dc:language>
  <dc:relation>doi:10.5445/IR/1000161724</dc:relation>
  <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:title>Measurement of the top-Yukawa coupling in top quark associated Higgs boson production and blueprint for a novel top quark decay width measurement in Wb scattering</dc:title>
  <dc:type>info:eu-repo/semantics/doctoralThesis</dc:type>
  <dc:type>thesis-phd-thesis</dc:type>
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