Heidelberg 2022 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 89: Higgs Boson: Decay in Fermions 2

T 89.3: Vortrag

Donnerstag, 24. März 2022, 16:45–17:00, T-H20

Deep Sets for the ttH(H->bb) cross section measurement — •José Manuel Clavijo Columbié and Judith Katzy — Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, D-22607 Hamburg

We present our analysis strategy for the measurement of the cross-section of the ttH(H->bb) process differential in Higgs pT. We use a newly developed Deep Set neural network to split the events into separate regions which are enriched in signal or any of the main background processes. This allows the signal measurement together with good control of the background normalization factors and their associated uncertainties. In addition, we split the signal-like events into different Higgs pT ranges for the differential cross-section measurement. We perform an Asimov fit which gives the expected uncertainties of the measurement, and a fit of the background regions to real collision data to measure our ability to control the background processes.