Aachen 2019 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 9: Higgs: Erweiterte Modelle

T 9.10: Vortrag

Montag, 25. März 2019, 18:15–18:30, S07

Search for neutral Higgs Bosons Production in Final States with b-quarks in the semi-leptonic channel — •Antonio Vagnerini — DESY Hamburg

The LHC discovery of a Standard-Model-like Higgs particle in 2012 could be a portal to an extended Higgs sector predicted by several models, such as the Minimal-Supersymmetric Extension of the SM (MSSM) and the more general Two-Higgs-Doublet Model (2HDM). The additional Higgs states predicted by such extended models can have enhanced coupling to b-quarks in several scenarios, such as the 2HDM Type-II and -IV. This analysis is the search for neutral Higgs bosons decaying into a b-quark pair and produced in association with at least one additional b-quark. In the final state, we require a muon, stemming from b-hadron decays, to lie within any of the two b-jets emitted in the Higgs decay. This type of selection allows us to probe Higgs bosons with low masses. Detailed studies of the analysis strategy and its sensitivity are presented together with parameters of extended models for several mass hypotheses.