Abstract
The influence of elliptic and triangular flow on higher flow harmonics is studied within the HYDJET++ model, which merges parametrized hydro with jet quenching. Even harmonics can be generated by elliptic flow only, while odd harmonics need nonzero triangular component. A hydrodynamical model predicts a scaling of υ 4 /υ 2 2 ratio with pT , while jets force a rise of the high pT tail of the ratio. Hexagonal flow appears to be an interesting interplay between υ 2 and υ 3 . It shows a dominant contribution of υ 3 in central events and υ 2 at more peripheral collisions. Comparison with ALICE, ATLAS and CMS experimental data is presented.
Highlights
The HYDJET++ model provides us with an array of possibilities in investigating possible mechanisms related to heavy ion collisions
The work on the HYDJET++ model has progressed to a level where analysis with a certain degree of complexity has become feasible
The calculation of particle spectra and lower harmonics is done with a high degree of accuracy
Summary
The FAST MC code generates soft hadronic states on the chemical and thermal hyper surfaces of the produced matter distribution originating from heavy ion collisions. The fourth order event-plane (Ψ4) is not generated in the present version, so the quadrangular flow is projected onto the second order event plane This should be taken into consideration when evaluating the calculations since the actual Ψ2 and Ψ4 planes do not necessarily coincide. The qualitative features of the elliptic flow are reproduced, the ratio is not quantitatively reproduced for a lower energy/mass setting (Fig.3) [18, 19]. This deviation likely stems from the model specific description of initial conditions. The high pT tail is not believed to be reproduced without jet production included in the simulations
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