Jun 5 – 9, 2023
Genova, Italy
Europe/Rome timezone

Measurement of $\Lambda_c^+$ production in pp, p--Pb, and Pb--Pb collisions with the ALICE experiment at the LHC

Jun 5, 2023, 3:36 PM
DAD - Room 5H (Genova, Italy)

DAD - Room 5H

Genova, Italy

Contributed Hadron decays, production and interactions Hadron decays, production and interaction


Clara Bartels


Charm quarks, which are created at the beginning of heavy-ion collisions and interact with the produced quark-gloun plasma (QGPP) medium during all the stages of the system evolution, are useful probes of the partonic in-medium energy loss and the quark hadronisation. In particular, the measurement of charmed baryon-to-meson ratio $\Lambda_\text{c}^+/\text{D}^0$ is sensitive to the different hadronisation mechanisms and could provide further insights into the possible modification of the hadronisation in heavy-ion collisions, with respect to smaller collision systems.

In this contribution, recent ALICE measurements of the production of $\Lambda_\text{c}^+$ baryons are presented in pp, p--Pb and Pb--Pb collisions. The $\Lambda_\text{c}^+$ production cross section, $\Lambda_\text{c}^+/\text{D}^0$ production yield ratio, and the nuclear modification factor $R_\text{AA}$ were measured in Pb--Pb collisions at $\sqrt{s_{\text{NN}}} = 5.02$TeV. Measurements were also performed in pp collisions down to $p_\text{T}=0$, as well as in p--Pb collisions, to investigate the impact of cold nuclear matter effects on the charm production and hadronisation. Comparisons to the model calculations will be presented and the interpretation of these measurements will be discussed.

Primary author

Presentation materials