Energy dependence of intermittency for charged hadrons in Au+Au collisions at RHIC
Density fluctuations near the QCD critical point can be probed via an intermittency analysis in relativistic heavy-ion collisions. We report the first measurement of intermittency in Au+Au collisions at sNN = 7.7-200 GeV measured by the STAR experiment at the Relativistic Heavy Ion Collider (RHIC)....
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| Hauptverfasser: | , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
10 October 2023
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| In: |
Physics letters
Year: 2023, Jahrgang: 845, Pages: 1-9 |
| ISSN: | 1873-2445 |
| DOI: | 10.1016/j.physletb.2023.138165 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.physletb.2023.138165 Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S0370269323004999 
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| Verfasserangaben: | The STAR Collaboration |
MARC
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| 100 | 1 | |a Abdulhamid, Muhammad Ibrahim |e VerfasserIn |0 (DE-588)1265140928 |0 (DE-627)1814185909 |4 aut | |
| 245 | 1 | 0 | |a Energy dependence of intermittency for charged hadrons in Au+Au collisions at RHIC |c The STAR Collaboration |
| 246 | 3 | 3 | |a Energy dependence of intermittency for charged hadrons in Au plus Au collisions at RHIC |
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| 500 | |a Gesehen am 03.06.2024 | ||
| 520 | |a Density fluctuations near the QCD critical point can be probed via an intermittency analysis in relativistic heavy-ion collisions. We report the first measurement of intermittency in Au+Au collisions at sNN = 7.7-200 GeV measured by the STAR experiment at the Relativistic Heavy Ion Collider (RHIC). The scaled factorial moments of identified charged hadrons are analyzed at mid-rapidity and within the transverse momentum phase space. We observe a power-law behavior of scaled factorial moments in Au+Au collisions and a decrease in the extracted scaling exponent (ν) from peripheral to central collisions. The ν is consistent with a constant for different collisions energies in the mid-central (10-40%) collisions. Moreover, the ν in the 0-5% most central Au+Au collisions exhibits a non-monotonic energy dependence that reaches a minimum around sNN = 27 GeV. The physics implications on the QCD phase structure are discussed. | ||
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