Entanglement effects at high energies (including top quark pair production at threshold) at ATLAS and CMS
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January 20, 2026
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Abstract
The large dataset collected by the ATLAS and CMS detectors at the LHC at the centre-of-mass energy of 13 TeV enables precision testing of theoretical predictions using an extensive sample of top quark events. One example of this is the spin correlation of top quarks, which can be probed due to the decay time being shorter than the hadronisation time. This wealth of data has also opened the door to new measurements of top quark properties, including those particularly sensitive to the top quark pair threshold region, such as quantum entanglement, which were previously beyond reach. This contribution presents the latest highlights in this area from the ATLAS and CMS experiments.
DOI: https://doi.org/10.22323/1.516.0004
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.