How much does the hadronic phase contribute to the observed anisotropic flow at the LHC?

Abstract

Elliptic flow signals the presence of multiple interactions between the constituents of the created matter in heavy-ion collisions. This includes possible contributions from the different phases, including the hadronic phase. In these proceedings I will first show that the energy dependence of elliptic flow, based on recent ALICE and STAR beam energy scan measurements, can largely be understood in terms of a boosted thermal system. In addition, a detailed comparison between the identified particle elliptic flow measured by the ALICE collaboration and viscous hydrodynamical model calculations with and without a hadronic afterburner is performed to constrain the possible effects of individual hadron-hadron re-interaction cross-sections.

10 pages, 8 figures, proceedings Resonance Workshop at Catania, version two updated with referee comments

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Cited by in corpus (4)

• Collective flow in 2.76 A TeV and 5.02 A TeV Pb+Pb collisions
• Photon radiation from heavy-ion collisions in the $\sqrt{s_{NN}}=19-200$ GeV regime
• An experimental review on elliptic flow of strange and multi-strange hadrons in relativistic heavy ion collisions
• The QCD Phase Diagram from Statistical Model Analysis