Bonn 2020 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 33: Search for new particles II
T 33.1: Vortrag
Dienstag, 31. März 2020, 17:00–17:15, H-HS XVI
Searching for the single production of vector-like quarks in the Wb final state with the ATLAS detector at 13 TeV — •Ferdinand Schenck1, Anjishnu Bandyopadhyay2, Heiko Lacker1, Janet Dietrich1, Maxx Rahman2, Michel Smola1, and Ian Brock2 — 1Humboldt-Universität zu Berlin — 2Rheinische Friedrich-Wilhelms-Universität Bonn
Vector-Like quarks are hypothetical particles which are consistent with several BSM models, and are promising cadidates for a window into new physics.
This talk will cover the results from an ATLAS search for the single production vector-like T2/3 or Y−4/3 quarks decaying to a Wb final state using 139 fb−1 of proton-proton data collected at 13 TeV by the ATLAS experiment.
Previous searches focused exclusively on the 1-lepton channel, while the new search improves on this by combing the results with a 0-lepton channel for added sensitivity, as well as by the addition of Machine Learning based discriminants and taggers.