Core - Corona Model describes the Centrality Dependence of v_2/epsilon

Abstract

Event by event EPOS calculations in which the expansion of the system is described by {\it ideal} hydrodynamics reproduce well the measured centrality dependence of $v_2/{\epsilon }_{part}$, although it has been claimed that only viscous hydrodynamics can reproduce these data. This is due to the core - corona effect which manifests itself in the initial condition of the hydrodynamical expansion. The centrality dependence of $v_2/{\epsilon }_{part}$ can be understood in the recently advanced core-corona model, a simple parameter free EPOS inspired model to describe the centrality dependence of different observables from SPS to RHIC energies. This model has already been successfully applied to understand the centrality dependence of multiplicities and of the average transverse momentum of identified particles.

References in corpus (6)

• Multiplicity scaling in ideal and viscous hydrodynamics
• Centrality dependence of charged hadron and strange hadron elliptic flow from sqrt(s_NN) = 200 GeV Au+Au collisions
• Core-Corona Separation in Ultra-Relativistic Heavy Ion Collisions
• The centrality dependence of elliptic flow, the hydrodynamic limit, and the viscosity of hot QCD
• Applicability of Monte Carlo Glauber models to relativistic heavy ion collision data
• Scaling properties in bulk and p${}_{\mathrm{T}}$-dependent particle production near midrapidity in relativistic heavy ion collisions

Cited by in corpus (15)

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• Parton-Hadron-String Dynamics at Relativistic Collider Energies
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• Molecular dynamics description of an expanding $q$/$\bar{q}$ plasma with the Nambu--Jona-Lasinio model and applications to heavy ion collisions at RHIC and LHC energies
• Exploring non-equilibrium quark-gluon plasma effects on charm transport coefficients
• Excitation Functions of Tsallis-like Parameters in High-Energy Nucleus-Nucleus Collisions
• Core-corona separation in the UrQMD hybrid model
• Elliptic flow at varying energy heavy ion collisions: Partonic vs hadronic dynamics
• Simulation study of elliptic flow of charged hadrons produced in Au + Au collisions at the Facility for Antiproton and Ion Research
• Geometrical scaling for energies available at the BNL Relativistic Heavy Ion Collider to those at the CERN Large Hadron Collider
• Core-corona interplay in Pb-Pb collisions at $\sqrt{s_{NN}}$=2.76 TeV
• Forward-backward multiplicity and momentum correlations in pp and pPb collisions at the LHC energies
• Scaling of flow in heavy ion collisions and the low-energy frontier
• Anisotropy effects on heavy quark dynamics in Gribov modified gluon plasma
• System Size Dependence of Particle Production at the SPS