Hydrodynamic predictions for 5.02 TeV Pb-Pb collisions

Abstract

We make predictions for momentum-integrated elliptic and triangular flow as well as mean transverse momentum for 5.02 TeV Pb-Pb collisions, as planned at the Large Hadron Collider. We use hydrodynamic calculations to predict the change of these observables as the center-of-mass collision energy evolves from 2.76 TeV to 5.02 TeV per nucleon pair. By using previously measured values as a baseline, we are able to make a robust prediction without relying on a particular model for initial conditions and without precise knowledge of medium properties such as viscosity. Thus, though the predicted changes are small, they can provide a significant test of the current hydrodynamic picture of heavy-ion collisions.

6 pages, 3 figures

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• Collective effects in nuclear collisions: theory overview
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• Anisotropic flow measurements in Pb--Pb collisions at 5.02 TeV with ALICE