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Apr 12 – 14, 2023
Minneapolis, Minnesota
US/Central timezone

Study the effects of pre-hydrodynamic flow in heavy-ion collisions at the RHIC Beam Energy Scan program

Apr 12, 2023, 4:20 PM
20m
Orchestra D

Orchestra D

Speaker

Mashhood Munir (Wayne State University)

Description

The (3+1)D hydrodynamics + hadronic transport hybrid models are effective quantitative tools to study the dynamics of relativistic heavy-ion collisions and to extract the transport properties of the Quark-Gluon Plasma. For collisions with $\sqrt{s_\mathrm{NN}} \sim O(10)$~GeV, the pre-equilibrium evolution before hydrodynamics plays an important role because it can reach up to 30\% of the total collision lifetime. In this work, we parameterize the transverse pre-hydrodynamic flow with a blast-wave-like profile, $v_\perp(r_\perp) = \tanh(\alpha r_\perp)$, for individual hot spots. We will show that the flow profiles with certain values of $\alpha$ can reproduce those generated from the free-streaming model. We further perform a systematic study on how the pre-hydrodynamic flow affects final-state observables in heavy-ion collisions at the RHIC Beam Energy Scan program. We will show its sensitivity to the anisotropic flow ratio $v_3/v_2$ and the HBT radii.

Primary author

Mashhood Munir (Wayne State University)

Co-author

Chun Shen (Wayne State University)

Presentation materials