NeXSPheRIO Results on Elliptic-Flow Fluctuations at RHIC
Yogiro Hama, Rone Peterson G. Andrade, Fr\'ed\'erique Grassi,, Wei-Liang Qian, Takeshi Osada, Carlos Eduardo Aguiar, Takeshi Kodama
TL;DR
This paper uses the NeXSPheRIO simulation to analyze elliptic-flow fluctuations in Au+Au collisions at RHIC, achieving good agreement with experimental data on flow and its fluctuations.
Contribution
It demonstrates that fixing model parameters to reproduce basic distributions yields accurate predictions of elliptic-flow fluctuations at RHIC.
Findings
Reasonable agreement of <v_2> with data as a function of pseudo-rapidity
Good match of elliptic-flow fluctuations with experimental measurements
Model reproduces transverse-momentum distributions accurately
Abstract
By using the NexSPheRIO code, we study the elliptic-flow fluctuations in Au+Au collisions at 200A GeV. It is shown that, by fixing the parameters of the model to correctly reproduce the charged pseudo-rapidity and the transverse-momentum distributions, reasonable agreement of <v_2> with data is obtained, both as function of pseudo-rapidity as well as of transverse momentum, for charged particles. Our results on elliptic-flow fluctuations are in good agreement with the recently measured data in experiments.
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