Controlling particle transitions with weak periodic perturbations

Qin, Yan-Hong; Meng, Ling-Zheng; Li, Xin; Xin, Guoguo; Zhao, Li-Chen

doi:10.1103/physreva.106.013318

Cited by 1 publication

(2 citation statements)

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“…As noted in Refs. [57,[59][60][61][62][63][64][65], elliptic flow in the most central collisions is sensitive to nuclear deformation because deformed nuclei colliding at the impact parameter can induce a large eccentricity on the collision orientation. To study the effect of nuclear deformation on light hadron within our hydrodynamic framework, the extended WS parameters of nuclei listed in Table 3 are utilized.…”

Section: √ S Nn = 200mentioning

confidence: 99%

“…angular flow ( ) [57,58]. The differences in the experimental results at STAR indicate a difference in nuclear structure (geometry shape), whose observable effects are seemingly larger than those induced by the difference of the electric charge between Ru and Zr [52] and have been investigated from nuclear structure analyses in many studies [57,[59][60][61][62][63][64][65]. Therefore, it is of great interest to conduct a detailed comparison between Ru and Zr within a uniform QGP evolution framework and identify the main features of the nuclear structure (or system size) that contribute to the directed flow of identified final-state light hadrons.…”

Section: Introductionmentioning

confidence: 99%

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Hydrodynamic simulations of directed flow for light hadrons in Au+Au and isobar collisions at 200 GeV*

Jing¹,

Jiang²,

Yang³

et al. 2023

Chinese Phys. C

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Using a (3+1)-D hydrodynamic model CLVisc, we study the directed flow ($v_{1}$) of light hadrons produced in Au+Au, Ru+Ru and Zr+Zr collisions at $\snn=$ 200 GeV. The evolution of tilted energy density, pressure gradient and radial flow along the $x$-direction are systematically investigated. Counter-clockwise tilt of initial fireball is shown to be a vital source of the 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 RHIC. Our numerical results show a clear system size dependence for light hadron $v_{1}$ across different collision systems. We further study the effect of nuclear structure on the directed flow and find that the $v_{1}$ for light hadrons is insensitive to the nuclei with quadrupole deformation.

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