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Volume 347 - Corfu Summer Institute 2018 "School and Workshops on Elementary Particle Physics and Gravity" (CORFU2018) - Session: The Critical Point and Onset of Deconfinement Conference
Fluid dynamical phenomena in QGP and its recent experimental signatures
L. Csernai
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Published on: 2019 September 19
Collective relativistic fluid dynamics is the dominant description of heavy ion reactions. With a Yang- Mills flux-tube initial state and a high-resolution (3+1)D particle-in-cell relativistic (PICR) hydrodynamics simulation, we calculate the shear flow, vorticity and Lambda polarization for different energies. The origin of polarization in high energy collisions is discussed, and we find linear impact parameter dependence of the global Lambda polarization. Furthermore, the global Lambda polarization in our model decreases very quickly with time in the low energy domain, and the decline curve fits well the recent results of Beam Energy Scan (BES) program launched by the STARCollaboration at the Relativistic Heavy Ion Collider (RHIC). The time evolution of polarization is also discussed.
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