Influence of the shear viscosity of the quark-gluon plasma on elliptic flow in ultrarelativistic heavy-ion collisions

Abstract

We investigate the influence of a temperature-dependent shear viscosity over entropy density ratio eta/s on the transverse momentum spectra and elliptic flow of hadrons in ultrarelativistic heavy-ion collisions. We find that the elliptic flow in sqrt(s_NN) = 200 GeV Au+Au collisions at RHIC is dominated by the viscosity in the hadronic phase and in the phase transition region, but largely insensitive to the viscosity of the quark-gluon plasma (QGP). At the highest LHC energy, the elliptic flow becomes sensitive to the QGP viscosity and insensitive to the hadronic viscosity.

arXiv comment4 pages, 3 figures, version accepted for publication in Physical Review Letters, clarified the temperature regions and phases where elliptic flow is most sensitive to viscosity

References in corpus (30)

• Experimental and Theoretical Challenges in the Search for the Quark Gluon Plasma: The STAR Collaboration's Critical Assessment of the Evidence from RHIC Collisions
• Formation of dense partonic matter in relativistic nucleus-nucleus collisions at RHIC: Experimental evaluation by the PHENIX collaboration
• Viscosity in Strongly Interacting Quantum Field Theories from Black Hole Physics
• Quark Gluon Plasma an Color Glass Condensate at RHIC? The perspective from the BRAHMS experiment
• The PHOBOS Perspective on Discoveries at RHIC
• New Forms of QCD Matter Discovered at RHIC
• Viscosity Information from Relativistic Nuclear Collisions: How Perfect is the Fluid Observed at RHIC?
• Elliptic flow of charged particles in Pb-Pb collisions at 2.76 TeV
• Conformal Relativistic Viscous Hydrodynamics: Applications to RHIC results at sqrt(s_NN) = 200 GeV
• Identified Charged Particle Spectra and Yields in Au+Au Collisions at sqrt(s_NN) = 200 GeV
• The Effect of Shear Viscosity on Spectra, Elliptic Flow, and HBT Radii
• QCD Equation of State and Hadron Resonance Gas
• 200 A GeV Au+Au collisions serve a nearly perfect quark-gluon liquid
• Hadronic dissipative effects on elliptic flow in ultrarelativistic heavy-ion collisions
• On the Strongly-Interacting Low-Viscosity Matter Created in Relativistic Nuclear Collisions
• Charged-particle multiplicity density at mid-rapidity in central Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 2.76 TeV
• Hydrodynamic Models for Heavy Ion Collisions
• Centrality dependence of multiplicity, transverse energy, and elliptic flow from hydrodynamics
• Transport Coefficients of Gluon Plasma
• Dissipative relativistic fluid dynamics: a new way to derive the equations of motion from kinetic theory
• Transport Coefficients of Hadronic Matter near $T_c$
• Bulk and shear viscosities of matter created in relativistic heavy-ion collisions
• Viscous QCD matter in a hybrid hydrodynamic+Boltzmann approach
• Strongly coupled plasma with electric and magnetic charges
• Systematic parameter study of hadron spectra and elliptic flow from viscous hydrodynamic simulations of Au+Au collisions at sqrt(s_NN) = 200 GeV
• RHIC-tested predictions for low-$p_T$ and high-$p_T$ hadron spectra in nearly central Pb+Pb collisions at the LHC
• The effect of shear and bulk viscosities on elliptic flow
• Chemical freeze-out temperature in hydrodynamical description of Au+Au collisions at sqrt(s_NN) = 200 GeV
• Numerical tests of causal relativistic dissipative fluid dynamics
• Small shear viscosity in the semi quark gluon plasma

Cited by in corpus (171)

• Collective flow and viscosity in relativistic heavy-ion collisions
• Hydrodynamic Modeling of Heavy-Ion Collisions
• Event-by-event anisotropic flow in heavy-ion collisions from combined Yang-Mills and viscous fluid dynamics
• Event-by-event fluctuations in perturbative QCD + saturation + hydro model: pinning down QCD matter shear viscosity in ultrarelativistic heavy-ion collisions
• Event-by-event distributions of azimuthal asymmetries in ultrarelativistic heavy-ion collisions
• Higher flow harmonics from (3+1)D event-by-event viscous hydrodynamics
• Radial and elliptic flow in Pb+Pb collisions at the Large Hadron Collider from viscous hydrodynamic
• Causality and existence of solutions of relativistic viscous fluid dynamics with gravity
• Gluon saturation and initial conditions for relativistic heavy ion collisions
• Lattice QCD and heavy ion collisions: a review of recent progress
• Flow and interferometry in 3+1 dimensional viscous hydrodynamics
• Testing viscous and anisotropic hydrodynamics in an exactly solvable case
• Transport Coefficients of Bulk Viscous Pressure in the 14-moment approximation
• Estimation of the shear viscosity at finite net-baryon density from A+A collision data at $\sqrt{s_{\mathrm{NN}}}=7.7-200$ GeV
• Boost-Invariant (2+1)-dimensional Anisotropic Hydrodynamics
• Influence of a temperature-dependent shear viscosity on the azimuthal asymmetries of transverse momentum spectra in ultrarelativistic heavy-ion collisions
• The stickiness of sound: An absolute lower limit on viscosity and the breakdown of second order relativistic hydrodynamics
• Anisotropic Hydrodynamics for Rapidly Expanding Systems
• Determining Fundamental Properties of Matter Created in Ultrarelativistic Heavy-Ion Collisions
• Charge-dependent Flow Induced by Magnetic and Electric Fields in Heavy Ion Collisions
• Bridging Soft-Hard Transport Properties of Quark-Gluon Plasmas with CUJET3.0
• Event-by-event hydrodynamics $+$ jet energy loss: A solution to the $R_{AA}\otimes v_2$ puzzle
• Bulk viscosity-driven suppression of shear viscosity effects on the flow harmonics at RHIC
• Integrated Dynamical Approach to Relativistic Heavy Ion Collisions
• Linear and cubic response to the initial eccentricity in heavy-ion collisions
• Collectivity and electromagnetic radiation in small systems
• Transport Coefficients in Yang--Mills Theory and QCD
• Relativistic anisotropic hydrodynamics
• Hadron Mass Spectrum and the Shear Viscosity to Entropy Density Ratio of Hot Hadronic Matter
• Dynamical vs. equilibrium properties of the QCD phase transition: a holographic perspective
• Electric Conductivity from the solution of the Relativistic Boltzmann Equation
• Moving forward to constrain the shear viscosity of QCD matter
• Instabilities of an anisotropically expanding non-Abelian plasma: 3D+3V discretized hard-loop simulations
• Exact solution of the (0+1)-dimensional Boltzmann equation for a massive gas
• Holographic thermalization with radial flow
• 3+1d quasiparticle anisotropic hydrodynamics for ultrarelativistic heavy-ion collisions
• Hydrodynamic Collectivity in Proton--Proton Collisions at 13 TeV
• Predictions for 5.023 TeV Pb+Pb collisions at the LHC
• Collision Energy Dependence of Viscous Hydrodynamic Flow in Relativistic Heavy-Ion Collisions
• Bulk viscous evolution within anisotropic hydrodynamics
• Projection method and new formulation of leading-order anisotropic hydrodynamics
• Shock wave collisions in AdS5: approximate numerical solutions
• Diffusion of conserved charges in relativistic heavy ion collisions
• A fully relativistic lattice Boltzmann algorithm
• Thermalization, Isotropization and Elliptic Flow from Nonequilibrium Initial Conditions with a Saturation Scale
• Thermalization and isotropization in heavy-ion collisions
• Shear-bulk coupling in nonconformal hydrodynamics
• Hydrodynamics of simply spinning black holes & hydrodynamics for spinning quantum fluids
• Sensitivity of flow harmonics to sub-nucleon scale fluctuations in heavy ion collisions
• Towards the Little Bang Standard Model
• Elliptic Flow from Non-equilibrium Initial Condition with a Saturation Scale
• Identifying the nature of the QCD transition in relativistic collision of heavy nuclei with deep learning
• Ratio of bulk to shear viscosity in a quasigluon plasma: from weak to strong coupling
• Closing the equations of motion of anisotropic fluid dynamics by a judicious choice of moment of the Boltzmann equation
• Systematics of the charged-hadron P_T spectrum and the nuclear suppression factor in heavy-ion collisions from sqrt{s}=200 GeV to sqrt{s} =2.76 TeV
• Anisotropic hydrodynamics for conformal Gubser flow
• Anisotropic hydrodynamic modeling of 2.76 TeV Pb-Pb collisions
• Transport coefficients of a hot QCD medium and their relative significance in heavy-ion collisions
• Quasiparticle equation of state for anisotropic hydrodynamics
• Fluid dynamics with saturated minijet initial conditions in ultrarelativistic heavy-ion collisions
• Diffusion processes involving multiple conserved charges: a first study from kinetic theory and implications to the fluid-dynamical modeling of heavy ion collisions
• Influence of temperature dependent shear viscosity on elliptic flow at back- and forward rapidities in ultrarelativistic heavy-ion collisions
• On the fluid behavior of a baryon rich hadron resonance gas
• Temperature dependence of $\eta /s$ of strongly interacting matter: effects of the equation of state and the parametric form of $(\eta /s)(T)$
• Systematic studies of correlations between different order flow harmonics in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 2.76 TeV
• Leading-order anisotropic hydrodynamics for central collisions
• Transport coefficients in Polyakov quark meson coupling model: a relaxation time approximation
• Leading-order anisotropic hydrodynamics for systems with massive particles
• Higher-order anisotropic flows and dihadron correlations in Pb-Pb collisions at $\sqrt{s_{NN}}=2.76$ TeV in a multiphase transport model
• Anisotropic matching principle for the hydrodynamics expansion
• On the Temperature Dependence of the Shear Viscosity and Holography
• High order flow harmonics of identified hadrons in 2.76 A TeV Pb+Pb collisions
• Ideal Hydrodynamics for Bulk and Multistrange Hadrons in $\sqrt{s_{NN}}$=200\,AGeV Au-Au Collisions
• Shear viscosity of pion gas due to $\rho \pi \pi$ and $\sigma \pi \pi$ interactions
• Hydrodynamics of anisotropic quark and gluon fluids
• Thermal photon radiation in high multiplicity p+Pb collisions at the Large Hadron Collider
• Electromagnetic radiation as a probe of the initial state and of viscous dynamics in relativistic nuclear collisions
• Initial state anisotropies and their uncertainties in ultrarelativistic heavy-ion collisions from the Monte Carlo Glauber model
• Quasiparticle anisotropic hydrodynamics for central collisions
• The nucleon thermal width due to pion-baryon loops and its contribution in Shear viscosity
• Comparison of results from a 2+1D relativistic viscous hydrodynamic model to elliptic and hexadecapole flow of charged hadrons measured in Au-Au collisions at $\sqrt{s_{\mathrm{NN}}}$ = 200 GeV
• Investigation of Heat Conductivity in Relativistic Systems using a Partonic Cascade
• Shear viscosity from Kubo formalism: NJL-model study
• Relativistic Boltzmann transport approach with Bose-Einstein statistics and the onset of gluon condensation
• Anisotropic hydrodynamic modeling of 200 GeV Au-Au collisions
• Towards QCD-assisted hydrodynamics for heavy-ion collision phenomenology
• Identified Particle Spectra and Anisotropic Flow in an Event-by-Event Hybrid Approach in Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}}=2.76$ TeV
• Equilibration of anisotropic quark-gluon plasma produced by decays of color flux tubes
• Shear Viscosity and Phase Diagram from Polyakov$-$Nambu$-$Jona-Lasinio model
• Shear viscosity from thermal fluctuations in relativistic conformal fluid dynamics
• Exact solution for the non-equilibrium attractor in number-conserving relaxation time approximation
• Gravitational collisions and the quark-gluon plasma
• Heavy quark diffusion in pre-equilibrium stage of heavy ion collisions
• Bulk observables at 5.02 TeV using quasiparticle anisotropic hydrodynamics
• Transport coefficients of two-flavor quark matter from the Kubo formalism
• Quark Flavour Dependence of the Shear Viscosity in a Quasiparticle Model
• Generating Temperature Flow for eta/s with Higher Derivatives: From Lifshitz to AdS
• Mach cones in viscous heavy-ion collisions
• Viscosity of an ideal relativistic quantum fluid: A perturbative study
• 2+1 dimensional hydrodynamics including bulk viscosity: a systematics study
• Probing the nuclear deformation with three-particle asymmetric cumulant in RHIC isobar runs
• Constraints from $v_2$ fluctuations for the initial state geometry of heavy-ion collisions
• Testing different formulations of leading-order anisotropic hydrodynamics
• Derivation of transient relativistic fluid dynamics from the Boltzmann equation for a multi-component system
• Hydrodynamic Modeling and the QGP Shear Viscosity
• Viscous Hydrodynamics and Relativistic Heavy Ion Collisions
• Event-by-event viscous hydrodynamics for Cu-Au collisions at 200GeV
• Seebeck effect in a thermal QCD medium in the presence of strong magnetic field
• Temperature Effect on Shear and Bulk Viscosities of QCD Matter
• Fluid dynamical equations and transport coefficients of relativistic gases with non-extensive statistics
• Investigating the temperature dependence of the specific shear viscosity of QCD matter with dilepton radiation
• Chromoelectric oscillations in a dynamically evolving anisotropic background
• Mini-jet quenching in a concurrent jet+hydro evolution and the non-equilibrium quark-gluon plasma
• Constraining $\eta /s$ through high-p${}_{\perp }$ theory and data
• Shear transport far from equilibrium via holography
• Tests of the Quark-Gluon Plasma Coupling Strength at Early Times with Heavy Quarks
• Elliptic flow of charged pions, protons and strange particles emitted in Pb+Au collisions at top SPS energy
• Quasiparticle anisotropic hydrodynamics
• Transport coefficients of O(N) scalar field theories close to the critical point
• Effective shear and bulk viscosities for anisotropic flow
• Extraction of shear viscosity in stationary states of relativistic particle systems
• (3+1)-dimensional framework for leading-order non conformal anisotropic hydrodynamics
• Flow correlations from a hydrodynamics model with dynamical freeze-out and initial conditions based on perturbative QCD and saturation
• Mean free path and shear viscosity in central ${}^{129}$Xe+${}^{119}$Sn collisions below 100 MeV/nucleon
• Relating $\hat{q}$, $\eta /s$ and $\Delta E$ in an expanding Quark-Gluon Plasma
• Relativistic Hydrodynamics on Graphic Cards
• Entropy production in chemically non-equilibrium quark-gluon plasma created in central Pb+Pb collisions at LHC energies
• Shear viscosity of pionic and nucleonic components from their different possible mesonic and baryonic thermal fluctuations
• Elliptic Flow Suppression due to Hadron Mass Spectrum
• First order dissipative hydrodynamics and viscous corrections to the entropy four-current from an effective covariant kinetic theory
• Including off-diagonal anisotropies in anisotropic hydrodynamics
• Temperature dependence of transport coefficients of QCD in high-energy heavy-ion collisions
• Dissipative hydrodynamics coupled to chiral fields
• Quark self-energy in an ellipsoidally anisotropic quark-gluon plasma
• Fast kinetic simulator for relativistic matter
• An improved anisotropic hydrodynamics ansatz
• Building up the elliptic flow: analytical insights
• Impact of momentum anisotropy and turbulent chromo-fields on thermal particle production in quark-gluon plasma medium
• Extraction of the specific shear viscosity of quark-gluon plasma from two-particle transverse momentum correlations
• Thermoelectric response of a weakly magnetized thermal QCD medium
• Chirality dependence in charge and heat transport in thermal QCD
• Pion interferometry at 200 GeV using anisotropic hydrodynamics
• Elliptic and Hexadecapole flow of charged hadron in viscous hydrodynamics with Glauber and Color Glass Condensate initial conditions for Pb-Pb collision at $\sqrt{s_{NN}}$=2.76 TeV
• Constraining the initial conditions and temperature dependent transport with three-particle correlations in Au+Au collisions
• Nonextensive hydrodynamics of boost-invariant plasmas
• Second order relativistic viscous hydrodynamics within an effective description of hot QCD medium
• Probing the non-equilibrium dynamics of hot and dense QCD with dileptons
• Anisotropic Flow and Jet Quenching in Relativistic Nuclear Collisions
• Anisotropic hydrodynamic modeling of heavy-ion collisions at LHC and RHIC
• Flow harmonics from self-consistent particlization of a viscous fluid
• Contribution of Kaon component in viscosity and conductivity of hadronic medium
• Kaonic Hanbury-Brown-Twiss radii at 200 GeV and 5.02 TeV
• $\eta (T)/s(T)$ and collective flow in chiral hydrodynamics
• Dynamical scheme for hadronization with first-order phase transition
• Bottomonia in the Quark Gluon Plasma
• Deformations of the AdS-Schwarzschild black brane and the shear viscosity of the quark-gluon plasma
• Probing bulk viscosity in relativistic flows
• Exploring sQGP and Small Systems
• Dependence of elliptic flow on transverse momentum in 200 GeV Au-Au and 2.76 TeV Pb-Pb collisions
• Far-from-equilibrium attractors with a realistic non-conformal equation of state
• Production of thermal photons in viscous fluid dynamics with temperature-dependent shear viscosity
• Anisotropic hydrodynamics -- basic concepts
• Hydrodynamic models of particle production
• Transport coefficients of a unitarized pion gas
• Thermalization of parton spectra in the color-flux-tube model
• From minijet saturation to global observables in A + A collisions at the LHC and RHIC
• Next-to-leading order improved perturbative QCD + saturation + hydrodynamics model for A+A collisions
• The Physics of sPHENIX
• The $v_3^{1/3}/v_2^{1/2}$ ratio in PbAu collisions at $\sqrt{s_{\mathrm{NN}}}=$ 17.3 GeV: a hint of a hydrodynamic behavior
• Triangular flow of negative pions emitted in PbAu collisions at $\sqrt{s_{NN}}=$ 17.3 GeV
• Elliptic Flow and Shear Viscosity of the Shattered Color Glass Condensate