PoS - Proceedings of Science
Volume 414 - 41st International Conference on High Energy physics (ICHEP2022) - Poster Session
D-meson production as a function of multiplicity in pp collisions at $\sqrt{s}$ = 13 TeV with ALICE at the LHC
M. Giacalone
Full text: pdf
Pre-published on: October 24, 2022
Published on: June 15, 2023
Production measurements of heavy-flavour hadrons in pp collisions provide a stringent test to pQCD calculations.
Analysing their production as a function of charged-particle multiplicity allows us to study multi-parton interactions, which are expected to have a relevant role in charged particle production at high energy at the LHC. Moreover, the comparison with theoretical models allows investigating the contribution of colour reconnection in hadronization mechanisms of heavy quarks into hadrons.
In this report, the production measurements in pp collisions at $\sqrt{s}$ = 13 TeV of D mesons (D$^0$, D$^+$, D*$^+$) as well as their dependence on multiplicity are presented. The results are compared with similar studies for other particle species, with D-meson measurements performed at $\sqrt{s}$ = 7 TeV, and with predictions from Monte Carlo event generators.
DOI: https://doi.org/10.22323/1.414.0983
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