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T: Fachverband Teilchenphysik

T 61: Search for New Particles III

T 61.6: Vortrag

Mittwoch, 17. März 2021, 17:15–17:30, Tk

Search for resonant WZ production with the ATLAS detector at the LHC — •Abhishek Nag, Joany Manjarres, and Michael Kobel — Institut für Kern und Teilchenphysik, Technische Universität Dresden

In the Standard Model (SM) the low mass of the Higgs boson leads to hierarchy and naturalness problems and therefore there is a need for physics beyond SM. Heavy resonance decays provide simple ways to discover new physics and particles. The search for a resonance decaying into dibosons, such as WZ, is a model-independent powerful probe for physics beyond the SM.

In this talk I will present the details of the search for resonant WZ production decaying into fully leptonic final state with the ATLAS detector at the LHC with the full Run-2 dataset. The focus of the talk will be on the improvements and optimization of the analysis selection. Parametrization of Heavy Vector Triplet Lagrangians and the Georgi-Machacek Model are used to optimize and interpret the search results.