CERN Accelerating science

ATLAS Note
Report number	ATL-PHYS-PROC-2024-038
Title	Top physics highlights from ATLAS
Author(s)	Majersky, Oliver (Deutsches Elektronen-Synchrotron (DE))
Corporate Author(s)	The ATLAS collaboration
Collaboration	ATLAS Collaboration
Publication	2024
Imprint	28 May 2024
Number of pages	4
In:	58th Rencontres de Moriond on Very High Energy Phenomena in the Universe, La Thuile, Italy, 24 - 31 Mar 2024
Subject category	Particle Physics - Experiment
Accelerator/Facility, Experiment	CERN LHC ; ATLAS
Free keywords	top quark ; lepton flavour universality ; quantum entanglement ; ttW production ; TOP
Abstract	This contribution highlights several recent top physics measurements performed by the ATLAS experiment using Run 2 data. The first observation of the quantum entanglement and the most precise $W \rightarrow \mu/e$ lepton-flavour universality test in $t\bar{t}$ events in dilepton channel are presented. In addition, an improved inclusive and the first differential cross-section measurement of $t\bar{t}W$ production is presented.