Investigation of the elliptic flow fluctuations of the identified particles using the A Multi-Phase Transport model

Abstract

A Multi-Phase Transport (AMPT) model is used to study the elliptic flow fluctuations of identified particles using participant and spectator event planes. The elliptic flow measured using the first order spectator event plane is expected to give the elliptic flow relative to the true reaction plane which suppresses the flow fluctuations. However, the elliptic flow measured using the second-order participant plane is expected to capture the elliptic flow fluctuations. Our study shows that the first order spectator event plane could be used to study the elliptic flow fluctuations of the identified particles in the AMPT model. The elliptic flow fluctuations magnitude shows weak particle species dependence and transverse momentum dependence. Such observation will have important implications for understanding the source of the elliptic flow fluctuations.

7 pages, 4 figures

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• Characterizing the initial and final state effects of relativistic nuclear collisions
• Measuring differential flow angle fluctuations in relativistic nuclear collisions
• A model investigation of the longitudinal broadening of the transverse momentum two-particle correlator
• Model study of the energy dependence of the correlation between anisotropic flow and the mean transverse momentum in Au+Au collisions
• Azimuthal dependence of two-particle transverse momentum current correlations
• System size and shape dependences of collective flow fluctuations in relativistic nuclear collisions
• Decorrelation of participant and spectator angular momenta in heavy-ion collisions
• Measuring differential particle correlations in relativistic nuclear collisions
• Particle species dependence of elliptic flow fluctuations in Pb-Pb collisions at LHC energies in a multiphase transport model
• Beam-energy dependence of correlations between mean transverse momentum and anisotropic flow of charged particles in Au+Au collisions at RHIC
• A Method to Constrain Preferential Emission and Spectator Dynamics in Heavy-Ion Collisions