Pseudo-rapidity distribution from a perturbative solution of viscous hydrodynamics for heavy ion collisions at RHIC and LHC

Ze-Fang Jiang; C. B. Yang; Chi Ding; Xiang-Yu Wu

doi:10.1088/1674-1137/42/12/123103

Chinese Physics C> 2018, Vol. 42> Issue(12) : 123103 DOI: 10.1088/1674-1137/42/12/123103

Pseudo-rapidity distribution from a perturbative solution of viscous hydrodynamics for heavy ion collisions at RHIC and LHC

Ze-Fang Jiang ^1,2,, ,
C. B. Yang ^1,2,, ,
Chi Ding ^1,2 ,
Xiang-Yu Wu ^1,2

1.
Key Laboratory of Quark and Lepton Physics, Ministry of Education, Wuhan, 430079, China
2.
Institute of Particle Physics, Central China Normal University, Wuhan 430079, China

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Abstract：
The charged-particle final state spectrum is derived from an analytic perturbative solution for relativistic viscous hydrodynamics. By taking into account the longitudinal acceleration effect in relativistic viscous hydrodynamics, the pseudorapidity spectrum describes the nucleus-nucleus colliding systems at RHIC and the LHC well. Based on both the extracted longitudinal acceleration parameter λ^* and a phenomenological description of λ^*, the charged-particle pseudorapidity distributions for √s_NN=5.44 TeV Xe+Xe collisions are computed from the final state expression in a limited space-time rapidity η_s region.
- viscous hydrodynamics ,
- final state observable ,
- pseudorapidity distributions ,
- longitudinal acceleration effect ,
- xenon+xenon collisions

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Ze-Fang Jiang, C. B. Yang, Chi Ding and Xiang-Yu Wu. Pseudo-rapidity distribution from a perturbative solution of viscous hydrodynamics for heavy ion collisions at RHIC and LHC[J]. Chinese Physics C, 2018, 42(12): 123103. doi: 10.1088/1674-1137/42/12/123103

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Received: 2018-06-22

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Supported by National Natural Science Foundation of China (11435004), the Chinese-Hungarian bilateral cooperation program (Te'T 12CN-1-2012-0016) and the CCNU PhD Fund 2016YBZZ100 of China

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沈阳化工大学材料科学与工程学院沈阳 110142

Pseudo-rapidity distribution from a perturbative solution of viscous hydrodynamics for heavy ion collisions at RHIC and LHC

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Pseudo-rapidity distribution from a perturbative solution of viscous hydrodynamics for heavy ion collisions at RHIC and LHC

Corresponding author: Ze-Fang Jiang,

Corresponding author: C. B. Yang,

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