Dortmund 2021 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 30: Higgs decay in fermions II

T 30.4: Vortrag

Dienstag, 16. März 2021, 16:45–17:00, Te

Full Run2 analysis of Higgs boson decay to b-quarks in CMS — •hessamoddin kaveh — DESY, Hamburg, Germany

After the discovery of the 125 GeV Higgs boson in July 2012, the data collected at the LHC in 2016 and 2017 facilitated the discovery of the Higgs boson also in its decays into b-quarks. By now, the focus has shifted to measuring this decay channel at further improved precision. A measurement of the properties of the Higgs boson produced in association with vector bosons and decaying into a pair of b-quarks (VH(bb)) is presented. The full data of pp collisions recorded by the CMS experiment during Run 2 is reported. The focus of the talk is on the mass cross-check analysis in comparison to the DNN-based approach, statistical and systematic power of the analysis, improving the analysis methods such as kinematical reconstruction and optimization.