Probing the color structure of the perfect QCD fluids via soft-hard-event-by-event azimuthal correlations

  • We develop a comprehensive dynamical framework, CIBJET, to calculate on an event-by-event basis the dependence of correlations between soft (pT<2 GeV) and hard (pT> 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.
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Shuzhe Shi, Jinfeng Liao and Miklos Gyulassy. Probing the color structure of the perfect QCD fluids via soft-hard-event-by-event azimuthal correlations[J]. Chinese Physics C, 2018, 42(10): 104104. doi: 10.1088/1674-1137/42/10/104104
Shuzhe Shi, Jinfeng Liao and Miklos Gyulassy. Probing the color structure of the perfect QCD fluids via soft-hard-event-by-event azimuthal correlations[J]. Chinese Physics C, 2018, 42(10): 104104.  doi: 10.1088/1674-1137/42/10/104104 shu
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Received: 2018-07-08
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    Supported by National Science Foundation (PHY-1352368).

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Probing the color structure of the perfect QCD fluids via soft-hard-event-by-event azimuthal correlations

  • 1.  Physics Department and Center for Exploration of Energy and Matter, Indiana University, 2401 N Milo B. Sampson Lane, Bloomington, IN 47408, USA
  • 2. Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
  • 3. Pupin Lab MS-5202, Department of Physics, Columbia University, New York, NY 10027, USA
  • 4. Institute of Particle Physics and Key Laboratory of Quark &
Fund Project:  Supported by National Science Foundation (PHY-1352368).

Abstract: We develop a comprehensive dynamical framework, CIBJET, to calculate on an event-by-event basis the dependence of correlations between soft (pT<2 GeV) and hard (pT> 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.

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