International Journal of Smart Energy Technology and Environmental Engineering
Creating the applicability range of hydrodynamics in high energy collisions
Document Type : Original Article
Authors
Department of Mechanical Engineering, South Branch, Islamic Azad University, Tehran, Iran
Abstract
We simulate the spatio-temporal dynamics of high-energy collisions based on a microscopic kinetic description in the coherent-time approximation, to determine the applicability of an effective description in relativistic viscous hydrodynamics.
We find that hydrodynamics gives a quantitatively accurate description of the collective flow when the mean inverse Reynolds number 〖Re〗^(-1) is sufficiently small and the early pre-equilibrium state is specifically considered. has been From now on, we discuss the implications of our findings for the applicability or nonapplicability of hydrodynamics in proton-proton, proton-nucleus, and nucleus-light collisions.
Keywords
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- Receive Date: 08 April 2023
- Revise Date: 15 April 2023
- Accept Date: 20 April 2023