| Issue |
EPJ Web Conf.
Volume 271, 2022
HYP2022 - 14th International Conference on Hypernuclear and Strange Particle Physics
|
|
|---|---|---|
| Article Number | 08007 | |
| Number of page(s) | 6 | |
| Section | Strangeness in HI Collisions | |
| DOI | https://doi.org/10.1051/epjconf/202227108007 | |
| Published online | 09 November 2022 | |
https://doi.org/10.1051/epjconf/202227108007
Centrality dependence of multistrangeness production in high-energy heavy-ion collisions
1 A.Alikhanyan National Scientific Laboratory (Yerevan Physics Institute), Yerevan, Armenia
2 Dpto. de Física de Partículas, Facultade de Física, Instit. Galego de Física de Altas Enerxías (IGFAE) Universidade de Santiago de Compostela, Galiza, Spain
3 Petersburg Nuclear Physics Institute, NCR Kurchatov Institute, Gatchina, St.Petersburg, Russia
† Deceased
* e-mail: carlos.merino@usc.es
Published online: 9 November 2022
We compare the experimental data on yields of protons, strange Λ′s, and multistrange baryons (Ξ, Ω), and antibaryons production on nuclear targets, and the experimental ratios of multistrange to strange antibaryon production, at the energy region from SPS up to LHC, with the corresponding results of the Quark-Gluon String Model calculations. In the case of heavy nucleus collisions, the experimental dependence of the Ξ̅+/Λ̅, and Ω̅+/Λ̅ ratios, on the centrality of the collision, shows a manifest violation of quark combinatorial rules.
© The Authors, published by EDP Sciences, 2022
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