Top quark spin and quantum entanglement in the ATLAS experiment
Roman Lysak, on behalf of the ATLAS collaboration
SciPost Phys. Proc. 18, 016 (2026) · published 29 January 2026
- doi: 10.21468/SciPostPhysProc.18.016
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Proceedings event
The 17th International Workshop on Top Quark Physics
Abstract
Top quark pair spin correlation measurements performed by the ATLAS experiment using $pp$ collisions at the CERN Large Hadron Collider are summarized. Moreover, the measurement of a specific observable $D$ related to top quark pair spin correlations is presented using the full LHC Run 2 data taking at the center-of-mass energy of $\sqrt{s} = 13$~TeV. This allowed the ATLAS experiment to observe the quantum entanglement, one of the fundamental property of the quantum mechanics.
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Funders for the research work leading to this publication
- Ministerstvo Školství, Mládeže a Tělovýchovy (through Organization: Ministerstvo školství, mládeže a tělovýchovy České republiky / Ministry of Education Youth and Sports [MSMT])
- Technology Agency of the Czech Republic
