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Trovato, Fabrizio.pdf (13.85 MB)

Searches for chargino and neutralino production in decays to three-lepton final states via intermediate Bosons using vs=13 TeV proton-proton collisions with the ATLAS detector.

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posted on 2023-06-09, 23:17 authored by Fabrizio Trovato
Searches for production of charginos and neutralinos as predicted by Supersymmetry in three-lepton final states are presented. The analyses use data collected by the ATLAS detector at 13-TeV proton-proton collisions between 2015-2018 for a total of 139 fb-1. The targeted simplified models are those for the production of the lightest chargino and the next-to-lightest neutralino decaying to the lightest neutralino and Standard Model bosons, W Z or W h, subsequently decaying leptonically to yield three leptons in the final states. No significant deviation with respect to the Standard Model predictions is observed, and results are interpreted as exclusion limits on the considered simplified models. Masses of the lightest chargino and the next-to-lightest neutralino up to 640 GeV are excluded at 95% CL for the W Z model, while in the case of W h model, masses up to 180 GeV are excluded


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University of Sussex

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