English

Measurements of charm production in pp collisions with ALICE

High Energy Physics - Experiment 2022-02-22 v2 Nuclear Experiment

Abstract

The production of charm-hadrons at midrapidity in pp collisions at s\sqrt{s} = 5.02 and 13 TeV was recently measured by the ALICE Collaboration. The results show that the baryon-to-meson yield ratios differ from predictions where the hadronisation has been tuned to measurements obtained in e+e\rm e^{+}e^{-} and ep collisions for different charm-baryon species. These observations suggest that the charm fragmentation fractions are not universal and that the baryon-to-meson ratio depends on the collision systems. The results are compared to the predictions from Monte Carlo event generators and theoretical calculations.

Keywords

Cite

@article{arxiv.2111.12054,
  title  = {Measurements of charm production in pp collisions with ALICE},
  author = {Tiantian Cheng},
  journal= {arXiv preprint arXiv:2111.12054},
  year   = {2022}
}

Comments

4 pages, 2 figures; contribution to the 50th International Symposium on Multiparticle Dynamics (ISMD 2021)