Hydrodynamical response of plane correlation in Pb + Pb collisions at s NN = 2.76TeV

Abstract

In high energy heavy-ion collisions, the final anisotropic flow coefficients and their corresponding eventplane correlations are considered as the medium evolutional response to the initial geometrical eccentricities and their corresponding participant-plane correlations. We formulate a systematic theoretical analysis to study the hydrodynamical responses concerning higher order effects in Pb+Pb collisions at √ s NN = 2.76 TeV by using Monte Carlo Glauber (MC-Glauber) model. To further understand the transformations of the initial participantplane correlation, we construct a new set of events which randomize the directions of the initial participant planes of the original events. Our results indicate that the final strong event-plane correlations are mainly transformed from the large initial eccentricities, rather than the strong participant-plane correlations. However, the large flow coefficients and the discrepancies between the flow coefficients calculated by the single-shot and event-by-event simulations in peripheral collisions are relevant to those strong initial participant-plane correlations.

Investigations of the linear and non-linear flow harmonics using the a multi-phase transport model

“…The linear and non-linear contributions to higher-order flow harmonics have been discussed in several experimental publications [9,10,31,[68][69][70][71]. In addition, they are also widely discussed in several phenomenological studies using different transport and hydrodynamic models [58,67,[72][73][74][75].…”