https://doi.org/10.1051/epjconf/202225912003
Charm-baryon enhancement and charm fragmentation fractions in small systems measured with ALICE
1 Institute of Particle Physics, Central China Normal University, 152 Luoyu Road, 430079 Wuhan, China
2 GSI Helmholtz Centre for Heavy Ion Research, Planckstraße 1, 64291 Darmstadt, Germany
* e-mail: jianhui.zhu@cern.ch
Published online: 1 February 2022
Recent measurements of charm-baryon production at midrapidity by the ALICE collaboration show baryon-to-meson yield ratios significantly higher than those measured in e+e− collisions, suggesting that the charm fragmentations are not universal across different collisions systems. Thus, measurements of charm-baryon production are crucial to study the charm quark hadronisation in proton–proton (pp) collisions. In proton–lead (p–Pb) collisions, the measurements of charm baryons provide important information about cold nuclear matter effects and help to understand how the possible presence of collective effects could modify the production of heavy-flavour hadrons. In this contribution, the most recent results on open charm-hadron production in pp and p–Pb collisions measured by ALICE are discussed.
© The Authors, published by EDP Sciences, 2022
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