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Description
Studies on the production of light- and heavy-flavour baryons are of prominent importance to characterise the partonic phase created in ultrarelativistic heavy-ion collisions and to investigate hadronization mechanisms at the LHC, in particular through the study of the evolution of the baryon-over-meson production ratio as a function of the transverse momentum. Measurements performed in pp and p-Pb collisions at the LHC, have revealed unexpected features, qualitatively similar to what observed in larger systems and, in the charm sector, not in line with the expectations based on previous measurements from e+e- colliders and from DIS measurements in e-p collisions at HERA.
These results suggest that charmed baryon formation might not be universal and that the baryon-over-meson ratio depends on the collision system. Hints of non-universality of the fragmentation functions are also seen when comparing beauty-baryon production measurements at the Tevatron and LHC with those at LEP. Models that better reproduce the
The ALICE detector is well suited to detect charm baryons down to low
A review of ALICE extensive measurements of protons, hyperons and charmed baryons, including, in the pp system, the measurement of