Measuring the system size dependence of the strangeness production with ALICE
The system size dependence of strangeness production in highenergy collisions was studied using Run 2 data from the ALICE experiment at the LHC. The analysis examines the ratios of strange hadron yields to pion yields as a function of mid-rapidity charged particle multiplicity ⟨dNch/dη)|η|&0.5,...
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EDP Sciences
2025-01-01
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| Series: | EPJ Web of Conferences |
| Online Access: | https://www.epj-conferences.org/articles/epjconf/pdf/2025/01/epjconf_sqm2024_03007.pdf |
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| author | Nepeivoda Roman |
| author_facet | Nepeivoda Roman |
| author_sort | Nepeivoda Roman |
| collection | DOAJ |
| description | The system size dependence of strangeness production in highenergy collisions was studied using Run 2 data from the ALICE experiment at the LHC. The analysis examines the ratios of strange hadron yields to pion yields as a function of mid-rapidity charged particle multiplicity ⟨dNch/dη)|η|&0.5, offering insights into the mechanisms driving strangeness enhancement across different collision systems (pp, p–Pb and Pb–Pb). The yield ratios exhibit a continuous rising trend from low-multiplicity pp collisions at √s = 7 TeV to central Pb–Pb collisions at √sNN = 5.02 TeV. Additionally, the evolution of the mean transverse momentum (⟨pT⟩) for various strange hadrons (KS0, Λ(Λ¯), Ω±, Ξ±) is analyzed, revealing that ⟨pT⟩ does not connect smoothly between different collision systems, with harder spectra observed in high-multiplicity pp collisions compared to the peripheral Pb–Pb collisions. Finally, performa plots from LHC Run 3 are presented, showcasing the purity of Ξ− and Ω− invariant mass distributions and highlighting the enhanced detector capabilities in Run 3. |
| format | Article |
| id | doaj-art-1eec732dbdc14ddbb1544513f0c46925 |
| institution | Kabale University |
| issn | 2100-014X |
| language | English |
| publishDate | 2025-01-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | EPJ Web of Conferences |
| spelling | doaj-art-1eec732dbdc14ddbb1544513f0c469252025-02-05T10:53:01ZengEDP SciencesEPJ Web of Conferences2100-014X2025-01-013160300710.1051/epjconf/202531603007epjconf_sqm2024_03007Measuring the system size dependence of the strangeness production with ALICENepeivoda Roman0Lund University Department of Physics, Division of Particle and Nuclear PhysicsThe system size dependence of strangeness production in highenergy collisions was studied using Run 2 data from the ALICE experiment at the LHC. The analysis examines the ratios of strange hadron yields to pion yields as a function of mid-rapidity charged particle multiplicity ⟨dNch/dη)|η|&0.5, offering insights into the mechanisms driving strangeness enhancement across different collision systems (pp, p–Pb and Pb–Pb). The yield ratios exhibit a continuous rising trend from low-multiplicity pp collisions at √s = 7 TeV to central Pb–Pb collisions at √sNN = 5.02 TeV. Additionally, the evolution of the mean transverse momentum (⟨pT⟩) for various strange hadrons (KS0, Λ(Λ¯), Ω±, Ξ±) is analyzed, revealing that ⟨pT⟩ does not connect smoothly between different collision systems, with harder spectra observed in high-multiplicity pp collisions compared to the peripheral Pb–Pb collisions. Finally, performa plots from LHC Run 3 are presented, showcasing the purity of Ξ− and Ω− invariant mass distributions and highlighting the enhanced detector capabilities in Run 3.https://www.epj-conferences.org/articles/epjconf/pdf/2025/01/epjconf_sqm2024_03007.pdf |
| spellingShingle | Nepeivoda Roman Measuring the system size dependence of the strangeness production with ALICE EPJ Web of Conferences |
| title | Measuring the system size dependence of the strangeness production with ALICE |
| title_full | Measuring the system size dependence of the strangeness production with ALICE |
| title_fullStr | Measuring the system size dependence of the strangeness production with ALICE |
| title_full_unstemmed | Measuring the system size dependence of the strangeness production with ALICE |
| title_short | Measuring the system size dependence of the strangeness production with ALICE |
| title_sort | measuring the system size dependence of the strangeness production with alice |
| url | https://www.epj-conferences.org/articles/epjconf/pdf/2025/01/epjconf_sqm2024_03007.pdf |
| work_keys_str_mv | AT nepeivodaroman measuringthesystemsizedependenceofthestrangenessproductionwithalice |