Abstract
We briefly review recent advances in the subject of hadron production in relativistic heavy-ion collisions. We focus on the issues of chemical freeze-out, chemical equilibration and the role of post-hadronization inelastic collisions. From the observations collected in elementary and heavy-ion collisions, a picture emerges in which hadrons are born in chemical equilibrium at hadronization, thereafter undergoing inelastic and elastic collisions whose impact on the primordial distribution depends on the system size.
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Acknowledgements
The author is grateful to M Bleicher, J Steinheimer and R Stock for useful discussions.
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Becattini, F. Freeze-out dynamics in heavy-ion collisions: Recent advances. Pramana - J Phys 84, 747–755 (2015). https://doi.org/10.1007/s12043-015-0977-9
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DOI: https://doi.org/10.1007/s12043-015-0977-9