Author:
Jing Jing,Jiang Ze-Fang,Yang C. B.,Zhang Ben-Wei
Abstract
Abstract
Using a (3+1)-D hydrodynamic model, CLVisc, we study the directed flow (
) of light hadrons produced in Au+Au, Ru+Ru, and Zr+Zr collisions at
200 GeV. The evolution of tilted energy density, pressure gradient, and radial flow along the x-direction is systematically investigated. The counter-clockwise tilt of the initial fireball is shown to be a vital source of directed flow for final light hadrons. A good description of directed flow is provided for light hadrons in central and mid-central Au+Au and isobar collisions at the RHIC. Our numerical results show a clear system size dependence for light hadron
across different collision systems. We further study the effect of nuclear structure on the directed flow and find that
for light hadrons is insensitive to nuclei with quadrupole deformation.
Funder
Department of Science and Technology, Hubei Provincial People's Government
Hubei Provincial Department of Education
Central China Normal University
National Natural Science Foundation of China
Department of Education of Guangdong Province
Subject
Astronomy and Astrophysics,Instrumentation,Nuclear and High Energy Physics
Cited by
3 articles.
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