Anisotropic flow in HYDJET++: interplay between soft and hard physics
1 Department of Physics, University of Oslo, PB 1048 Blindern, N-0316 Oslo, Norway
2 Skobeltsyn Institute of Nuclear Physics, Moscow State University, RU - 119991 Moscow, Russia
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Published online: 10 April 2014
The development of elliptic, υ2 and quadrangular, υ4, flow in the ψ2 plane is studied within the HYDrodynamics with JETs (HYDJET++) model in ultrarelativistic heavy-ion collisions at energies of RHIC and LHC. Despite the general expectations, jet influence on the ratio of flow harmonics is shown to be significant already at intermediate transverse momenta. Hard processes lead to increase of the υ4/υ22 ratio and violation of the number-of-constituent-quark (NCQ) scaling at LHC.
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