Characterization of the initial state and QGP medium from a combined Bayesian analysis of LHC data at 2.76 and 5.02 TeV

Abstract

We perform a global Bayesian analysis of a modern event-by-event heavy-ion collision model and LHC data at $\sqrt{s}$ = 2.76 and 5.02 TeV. After calibration, the model simultaneously describes multiplicity, transverse momentum, and flow data at both beam energies. We report new constraints on the scaling of initial-state entropy deposition and QGP transport coefficients, including a quantitative estimate of the temperature-dependent shear viscosity $(\eta /s)(T)$.

4 pages, 3 figures, proceedings for Quark Matter 2017

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• Exploring the initial stages in heavy-ion collisions with high-pT RAA and v2 theory and data
• (3+1)-dimensional anisotropic fluid dynamics with a lattice QCD equation of state
• Non-hydrodynamic quasinormal modes and equilibration of a baryon dense holographic QGP with a critical point
• Temperature Effect on Shear and Bulk Viscosities of QCD Matter
• Monte Carlo Glauber model with meson cloud: predictions for 5.44 TeV Xe+Xe collisions
• The Way Forward - Closing Remarks at Quark Matter 2017
• Extracting the temperature dependence in high-$p_{\perp }$ particle energy loss
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• Bulk viscous effects on flow and dilepton radiation in a hybrid approach
• Holography in Quark-Gluon Plasma and Neutron Stars