Speaker
Description
Measurements of beauty-hadron production in pp collisions provide a fundamental tool for testing perturbative QCD calculations. Studies in p--Pb collisions allow us to shed light on the role of cold nuclear matter effects on beauty production and their impact on beauty-quark hadronisation.
In this presentation, the final results on the production of charm mesons and baryons from beauty-hadron decays (non-prompt) in pp collisions are shown. They are compared to pQCD predictions and to models with modified hadronisation mechanisms with respect to in-vacuum fragmentation. The $b\overline{b}$ production cross section at midrapidity extrapolated from these measurements is presented. The final results of non-prompt charm-hadron production and nuclear modification factor in p--Pb collisions are also discussed. Lastly, the first studies of non-prompt/prompt production yield ratios of charm hadrons in pp collisions at $\sqrt{s} = 13.6$ TeV from the LHC Run 3 data taking are reported.
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