Elliptic Flow Analysis at RHIC with the Lee-Yang Zeroes Method in a Relativistic Transport Approach

Abstract

The Lee-Yang zeroes method is applied to study elliptic flow ($v_2$) in Au+Au collisions at $\sqrt{s}=200A$~GeV, with the UrQMD model. In this transport approach, the true event plane is known and both the nonflow effects and event-by-event $v_2$ fluctuations exist. Although the low resolutions prohibit the application of the method for most central and peripheral collisions, the integral and differential elliptic flow from the Lee-Yang zeroes method agrees with the exact $v_2$ values very well for semi-central collisions.

4 pages, 4 figures

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• Anisotropic flow at RHIC: How unique is the number-of-constituent-quark scaling?
• Energy, centrality and momentum dependence of dielectron production at collider energies in a coarse-grained transport approach
• Analytic Partition Function Zeros of the Wako-Saito-Munoz-Eaton beta-hairpin Model
• Low temperature behavior of finite-size one-dimensional Ising model and the partition function zeros
• Directed flow as effect of transient matter rotation in hadron and nucleus collisions
• Anisotropic flow: Achievements, Difficulties, Expectations
• Phase diagram of the Wako-Saito-Munoz-Eaton beta-hairpin Model obtained with partition function zeros
• Harmonic flow correlations in Au+Au reactions at 1.23 AGeV: A new testing ground for the Equation-of-State and expansion geometry