Will jets reduce the elliptic flow at LHC, while decays of resonances restore the constituent quark scaling?

Abstract

Formation and evolution of the elliptic flow pattern in Pb+Pb collisions at sqrt{s}=5.5 ATeV and in Au+Au collisions at sqrt{s}=200 AGeV are analyzed for different hadron species within the framework of HYDJET++ Monte-Carlo model. The model contains both hydrodynamic state and jets, thus allowing for a study of the interplay between the soft and hard processes. It is found that jets are terminating the rise of the elliptic flow with increasing transverse momentum. Since jets are more influential at LHC compared to RHIC, the elliptic flow at LHC should be weaker than that at RHIC. The influence of resonance decays on particle elliptic flow is investigated also. These final state interactions enhance the low-p_T part of the v_2 of pions and light baryons, and work towards the fulfilment of idealized constituent quark scaling.

8 pages, 9 figures, 3 tables

References in corpus (18)

• PYTHIA 6.4 Physics and Manual
• Elliptic Flow of Identified Hadrons in Au+Au Collisions at sqrt(s_NN) = 200 GeV
• Particle-type dependence of azimuthal anisotropy and nuclear modification of particle production in Au+Au collisions at s(NN)**(1/2) = 200-GeV
• A model of jet quenching in ultrarelativistic heavy ion collisions and high-pt hadron spectra at RHIC
• Scaling properties of azimuthal anisotropy in Au+Au and Cu+Cu collisions at sqrt(s_NN) = 200 GeV
• Heavy-Quark Kinetics in the QGP at LHC
• Thermal Dileptons at LHC
• Heavy Ion Collisions at the LHC - Last Call for Predictions
• SHARE: Statistical Hadronization with Resonances
• Heavy ion event generator HYDJET++ (HYDrodynamics plus JETs)
• Resonance decay effects on anisotropy parameters
• A Fast Hadron Freeze-out Generator
• Fast hadron freeze-out generator, part II: noncentral collisions
• Effect of resonance decays on hadron elliptic flows
• Gluon shadowing in the Glauber-Gribov model at HERA
• Hydrodynamic radial and elliptic flow in heavy-ion collisions from AGS to LHC energies
• Breaking of the number-of-constituent-quark scaling for identified-particle elliptic flow as a signal of phase change in low-energy data taken at the BNL Relativistic Heavy Ion Collider (RHIC)
• ${\Xi }^0(1530)$ Production in Heavy-Ion Collisions \linebreak and its Implications for $\Delta t_{therm-chem}$

Cited by in corpus (17)

• Higher harmonics of azimuthal anisotropy in relativistic heavy ion collisions in HYDJET++ model
• Hexagonal flow v_6 as a superposition of elliptic v_2 and triangular v_3 flows
• Centrality dependence of forward-backward multiplicity correlation in Au+Au collisions at $\sqrt{s_{NN}}$=200 GeV
• Origin of the mass splitting of azimuthal anisotropies in a multi-phase transport model
• Influence of jets and resonance decays on the constituent quark scaling of elliptic flow
• Effect of jets on $v_4/v_2^2$ ratio and constituent quark scaling in relativistic heavy-ion collisions
• Influence of jets and decays of resonances on the triangular flow in ultrarelativistic heavy-ion collisions
• Dynamical vs geometric anisotropy in relativistic heavy-ion collisions: which one prevails?
• Complications in the interpretation of the charge asymmetry dependent $\pi$ flow for the chiral magnetic wave
• Jets and elliptic flow correlations at low and high transverse momenta in ultrarelativistic A+A collisions
• Relics of Minijets amid Anisotropic Flows in High-energy Heavy-ion Collisions
• Transverse Momentum Distribution and Elliptic Flow of Charged Hadrons in $U$+$U$ collisions at $\sqrt{s_{NN}}=193$ GeV using HYDJET++
• Eccentricities, fluctuations and A-dependence of elliptic and triangular flows in heavy-ion collisions
• Modeling net-charge fluctuations in heavy-ion collisions at the LHC
• Anisotropic flow and correlations between azimuthal anisotropy Fourier harmonics in Xe-Xe collisions at $\sqrt{s_{NN}}$ = 5.44 TeV under HYDJET++ framework
• Modeling the jet quenching, thermal resonance production and hydrodynamical flow in relativistic heavy ion collisions
• Nature of particles azimuthal anisotropy at low and high transverse momenta in ultrarelativistic A+A collisions