Early time behavior of spatial and momentum anisotropies in a kinetic approach to nuclear collisions - INSPIRE

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Early time behavior of spatial and momentum anisotropies in a kinetic approach to nuclear collisions

Marc Borrell
(
- Bielefeld U.
)
,
Nicolas Borghini
(
- Bielefeld U.
)

Sep 30, 2021

15 pages

Published in:

Eur.Phys.J.C 82 (2022) 6, 525,
Eur.Phys.J.C 82 (2022) 525

Published: Jun 13, 2022

e-Print:

2109.15218 [nucl-th]

DOI:

10.1140/epjc/s10052-022-10492-w

View in:

ADS Abstract Service

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Abstract: (Springer)

We derive a general formula for the early time dependence of a phase space distribution evolving according to the kinetic Boltzmann equation. Assuming that the early evolution of the system created in high-energy nuclear collisions can be described by kinetic theory, we calculate the scaling behaviors for the onset of various characteristics of the transverse dynamics. In particular, we show that the scaling behavior of the anisotropic flow coefficients

v_n

at early times does not depend on the details of the collision kernel or the system composition, while at the same time it differs from the prediction of fluid dynamics.

Note:

15 pages. v2: published version

momentum: anisotropy
nucleus nucleus: scattering
flow: anisotropy
kinetic
scaling
hydrodynamics
time dependence
fluid
transverse
Boltzmann equation

References(47)

Figures(0)

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