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T: Fachverband Teilchenphysik
T 98: Higgs Physics X
T 98.6: Talk
Friday, March 20, 2026, 10:15–10:30, KH 02.013
Investigations on the κc/κb ratio measurement using Higgs boson decays to charm quarks in the vector boson associated production mode at CMS — •Jan Terörde, Alexander Schmidt, Andrey Pozdnyakov, Valentyn Vaulin, Patrick Kersten, Pedro Gouveia Pinto Da Costa, Ishmeet Kaur Vohra, and Arnd Meyer — III. Physikalisches Institut A, RWTH Aachen University
The associated production of a Higgs boson and a vector boson (Z or W boson), is one of the most promising channels in the search for the decay of the Higgs boson to charm (c) quarks. The simultaneous treatment of the H → cc and H → bb channels improves the overall sensitivity and enables to extract combined limits as well as to potentially constrain the κc/κb ratio. This contribution focuses on the κc/κb ratio measurement, the systematic uncertainties of the analysis and how these uncertainties affect the measurement of κc/κb.
Keywords: Higgs; charm; VHcc; bottom; CMS