Year: 2026
Type: article
Abstract: In relativistic heavy-ion collisions, top quarks are expected to be attractive candidates for probing the quark-gluon plasma as well as to bring unique information about the time evolution of strongly interacting matter. We report the first study of top-quark pair production in lead-lead collisions at the centre-of-mass energy of 5.02 TeV with the ATLAS experiment at the LHC. The dataset was recorded in 2015 and 2018, amounting to an integrated luminosity of 1.9 nb−1. Top-quark pair production cross section is studied in the eμ channel. The result is compared to theory predictions based on different nuclear PDF sets.
Author: Patrycja Potępa
Institutions: Johannes Gutenberg University Mainz, AGH University of Krakow
Language: English
Subfield: Nuclear and High Energy Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: green
Funder: Infrastruktura PL-Grid
OpenAlex ID: W7155189415
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