SMuK 2023 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 37: Heavy-Ion Collisions and QCD Phases VII
HK 37.1: Vortrag
Mittwoch, 22. März 2023, 15:45–16:00, SCH/A216
Anisotropic flow generation with η/s(T,µB) in a hybrid approach — •Niklas Götz1,2, Lucas Constantin1, and Hannah Elfner3,1,2,4 — 1Institute for Theoretical Physics, Goethe University, Max-von-Laue-Strasse 1, 60438 Frankfurt am Main, Germany — 2Frankfurt Institute for Advanced Studies, Ruth-Moufang-Strasse 1, 60438 Frankfurt am Main, Germany — 3Helmholtz Research Academy Hesse for FAIR (HFHF), GSI Helmholtz Center, Campus Frankfurt, Max-von- Laue-Straße 12, 60438 Frankfurt am Main, Germany — 4GSI Helmholtzzentrum für Schwerionenforschung, Planckstr. 1, 64291 Darmstadt, Germany
In this work, the origin of anisotropic flow in hybrid approaches, combining different initial conditions, viscous relativistic hydrodynamics as well as hadronic transport, is studied. Previous works largely disregard a non-constant η/s(µB) and focus mainly on a temperature dependence. Here instead, we study qualitatively the effect of a generalized η/s(T,µB) in the hybrid approach SMASH-vHLLE-hybrid. The parameterization takes into account the constraints of matching to the transport coefficients in the hadronic phase and recent Bayesian analysis results. In addition, we quantify the uncertainty due to different initial state profiles, including the SMASH initial conditions as well as T-.5exRENTo and IP-Glasma profiles. In order to investigate their interplay with the size of the transport coefficients and anisotropic flows as well as the impact of different initial state eccentricities, we compare the results with different inital conditions at √sNN=200 GeV.