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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2411.19708 |
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| _version_ | 1866909583825436672 |
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| author | Ambrus, Victor E. Schlichting, Sören Werthmann, Clemens |
| author_facet | Ambrus, Victor E. Schlichting, Sören Werthmann, Clemens |
| contents | High-energy nuclear collisions exhibit collective flow, which emerges as a dynamical response of the Quark-Gluon Plasma (QGP) to the initial state geometry of the collision. Collective flow in heavy-ion collisions is usually described within multi-stage evolution models, which employ a viscous relativistic hydrodynamic description of the space-time evolution of the QGP. By comparing event-by-event simulations in kinetic theory and viscous hydrodynamics in OO, AuAu and PbPb collisions at RHIC and LHC energies, we quantify to what extent a macroscopic hydrodynamic description can accurately describe the development of collective flow and to what extent collective flow in small systems, such as OO, is sensitive to the non-equilibrium evolution of the QGP beyond hydrodynamics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2411_19708 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Collective dynamics in heavy and light-ion collisions -- I) Kinetic Theory vs. Hydrodynamics Ambrus, Victor E. Schlichting, Sören Werthmann, Clemens High Energy Physics - Phenomenology High-energy nuclear collisions exhibit collective flow, which emerges as a dynamical response of the Quark-Gluon Plasma (QGP) to the initial state geometry of the collision. Collective flow in heavy-ion collisions is usually described within multi-stage evolution models, which employ a viscous relativistic hydrodynamic description of the space-time evolution of the QGP. By comparing event-by-event simulations in kinetic theory and viscous hydrodynamics in OO, AuAu and PbPb collisions at RHIC and LHC energies, we quantify to what extent a macroscopic hydrodynamic description can accurately describe the development of collective flow and to what extent collective flow in small systems, such as OO, is sensitive to the non-equilibrium evolution of the QGP beyond hydrodynamics. |
| title | Collective dynamics in heavy and light-ion collisions -- I) Kinetic Theory vs. Hydrodynamics |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2411.19708 |