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

  • 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 √sNN=5.44 TeV Xe+Xe collisions are computed from the final state expression in a limited space-time rapidity ηs region.
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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
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 shu
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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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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,
  • 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
Fund Project:  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

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 √sNN=5.44 TeV Xe+Xe collisions are computed from the final state expression in a limited space-time rapidity ηs region.

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