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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2603.09732 |
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| _version_ | 1866915853485735936 |
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| author | Rusak, Y. A. Babichev, L. F. |
| author_facet | Rusak, Y. A. Babichev, L. F. |
| contents | This work presents an analysis of event-by-event multiplicity fluctuations as a sensitive tool for diagnosing the state of matter produced in relativistic heavy-ion collisions. Using a modified version of the HIJING Monte Carlo generator, which integrates various models of partonic energy loss in hot (quark-gluon plasma) and cold media, the connection between fluctuation dynamics and system properties is investigated. It is shown that the nature and magnitude of fluctuations allow for the identification of the created medium type (hot or cold), the testing of the adequacy of energy loss models, and the detection of signatures of a first-order phase transition in different kinematic regions. The results obtained are important for interpreting the data from experiments aimed at mapping the QCD phase diagram and searching for the critical point. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_09732 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Event-by-Event Multiplicity Fluctuations in Heavy-Ion Collisions Using Modified HIJING Monte Carlo Generator Rusak, Y. A. Babichev, L. F. High Energy Physics - Phenomenology Nuclear Theory This work presents an analysis of event-by-event multiplicity fluctuations as a sensitive tool for diagnosing the state of matter produced in relativistic heavy-ion collisions. Using a modified version of the HIJING Monte Carlo generator, which integrates various models of partonic energy loss in hot (quark-gluon plasma) and cold media, the connection between fluctuation dynamics and system properties is investigated. It is shown that the nature and magnitude of fluctuations allow for the identification of the created medium type (hot or cold), the testing of the adequacy of energy loss models, and the detection of signatures of a first-order phase transition in different kinematic regions. The results obtained are important for interpreting the data from experiments aimed at mapping the QCD phase diagram and searching for the critical point. |
| title | Event-by-Event Multiplicity Fluctuations in Heavy-Ion Collisions Using Modified HIJING Monte Carlo Generator |
| topic | High Energy Physics - Phenomenology Nuclear Theory |
| url | https://arxiv.org/abs/2603.09732 |