Longitudinal fluid response and pseudorapidity dependent flow in relativistic heavy-ion collisions

26 Apr 2020  ·  Li Hui, Yan Li ·

We study the pseudorapidity dependent hydrodynamic response in heavy-ion collisions. A differential hydrodynamic relation is obtained for elliptic flow... Using event-by-event simulations of 3+1D MUSIC, with initial conditions generated via a multi-phase transport (AMPT) model, the differential response relation is verified. Based on the response relation, we find that the two-point correlation of elliptic flow in pseudorapidity are separated into the fluid response and the two-point correlation of initial eccentricity. read more

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Nuclear Theory