Bonn 2020 – scientific programme

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T: Fachverband Teilchenphysik

T 58: Higgs: associated production

T 58.8: Talk

Wednesday, April 1, 2020, 18:15–18:30, H-1.002

Simplified Template Cross Section measurement in the ttH(H→ bb) channel — Ulrich Husemann, Karim El Morabit, •Peter Krämer, and Matthias Schröder — Institut für Experimentelle Teilchenphysik (ETP), Karlsruher Institut für Technologie (KIT)

Recently, ttH-production has been observed for the first time and the CMS collaboration has established evidence for ttH in the H→ bb decay channel. An exciting next step is the exploration of more differential information using the larger datasets available by now.
Simplified Template Cross Sections (STXS) provide a framework designed as a next step of interpreting LHC Higgs data beyond the κ-framework. It defines mutually exclusive regions of phase space for each production mode. For each of these STXS bins, one can build a template based on the Standard Model prediction and fit them to data simultaneously, resulting in a differential measurement of the observable.
Within the recent update of the STXS framework, a binning is defined for ttH-production for the first time.
In this talk, I will give an overview of STXS in ttH-production and show studies towards a first STXS measurement of ttH in the H→ bb channel with the CMS detector.