Probing the Color Structure of the Perfect QCD Fluids via Soft-Hard-Event-by-Event Azimuthal Correlations

Abstract

We develop a comprehensive dynamical framework, CIBJET, to calculate on an event-by-event basis the dependence of correlations between soft ($p_T<2$ Gev) and hard ($p_T>10$ Gev) azimuthal flow angle harmonics on the color composition of near-perfect QCD fluids produced in high energy nuclear collisions at RHIC and LHC. CIBJET combines consistently predictions of event-by-event VISHNU2+1 viscous hydrodynamic fluid fields with CUJET3.1 predictions of event-by-event jet quenching. We find that recent correlation data favor a temperature dependent color composition including bleached chromo-electric $q(T)+g(T)$ components and an emergent chromo-magnetic degrees of freedom $m(T)$ consistent with non-perturbative lattice QCD information in the confinement/deconfinement temperature range.

arXiv comment6 pages, 6 figures; Accepted version to appear in Chinese Physics C

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• Global Constraints from RHIC and LHC on Transport Properties of QCD Fluids in CUJET/CIBJET Framework
• From hydro to jet quenching, coalescence and hadron cascade: a coupled approach to solving the $R_{AA}\otimes v_2$ puzzle
• Data-driven extraction of heavy quark diffusion in quark-gluon plasma
• Charged-particle nuclear modification factors in XeXe collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.44 TeV
• Exploring the initial stages in heavy-ion collisions with high-pT RAA and v2 theory and data
• Probing the transport properties of Quark-Gluon Plasma via heavy-flavor Boltzmann and Langevin dynamics
• Relativistic Langevin dynamics: charm versus beauty
• Medium-induced radiation with vacuum propagation in the pre-hydrodynamics phase
• Early evolution constrained by high-$p_T$ QGP tomography
• Comparing the MARTINI and CUJET models for jet-quenching: Medium modification of jets and jet substructure
• Prompt and non-prompt J$/\psi$ production at midrapidity in Pb$-$Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV
• Measurements of azimuthal anisotropy of nonprompt D${}^0$ mesons in PbPb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV
• Langevin dynamics of heavy quarks in a soft-hard factorized approach
• Observation of suppressed charged-particle production in ultrarelativistic oxygen-oxygen collisions
• Confinement from Correlated Instanton-Dyon Ensemble in SU(2) Yang-Mills Theory
• Soft-hard factorization of heavy-quark transport in QCD matter at finite chemical potential
• Energy loss of heavy-flavor quarks in color string medium
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