First observation of top quark pair production in Pb+Pb collisions at 5.02 TeV, with a 5.0 sigma significance and a measured cross-section of 3.6 microbarns.
Towards EPPS21 nuclear PDFs
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abstract
We report on the progress in updating our global analysis of nuclear PDFs. In particular, we will discuss the inclusion of double differential 5.02 TeV dijet and D-meson measurements, as well as 8.16 TeV W-production data from p-Pb collisions at the LHC. The new EPPS21 analysis will also involve recent JLab data for deep-inelastic scattering. As a novel aspect within our approach, we now also quantify the impact of free-proton PDF uncertainties on our extraction of nuclear PDFs.
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Observation of top-quark pair production in lead-lead collisions at $\sqrt{s_\mathrm{NN}}=5.02$ TeV with the ATLAS detector
First observation of top quark pair production in Pb+Pb collisions at 5.02 TeV, with a 5.0 sigma significance and a measured cross-section of 3.6 microbarns.