| NUCLEAR PHYSICS |
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Unified Hydrodynamics and Pseudorapidity Distributions of Charged Particles Produced in Heavy Ion Collisions at Low Energies at RHIC |
| Zhi-Jin Jiang**, Jia-Qi Hui, Hai-Ping Deng |
College of Science, University of Shanghai for Science and Technology, Shanghai 200093
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| Cite this article: |
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Zhi-Jin Jiang, Jia-Qi Hui, Hai-Ping Deng 2017 Chin. Phys. Lett. 34 052501 |
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Abstract In the context of unified hydrodynamics, we discuss the pseudorapidity distributions of the charged particles produced in Au-Au and Cu-Cu collisions at the low RHIC energies of $\sqrt {s_{\rm NN}}=19.6$ and 22.4 GeV, respectively. It is found that the unified hydrodynamics alone can give a good description to the experimental measurements. This is different from the collisions at the maximum RHIC energy of $\sqrt {s_{\rm NN}}=200$ GeV or at LHC energy of $\sqrt {s_{\rm NN}}=2.76$ TeV, in which the leading particles must be taken into account so that we can properly explain the experimental observations.
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Received: 22 January 2017
Published: 29 April 2017
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| PACS: |
25.75.Ag
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(Global features in relativistic heavy ion collisions)
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25.75.Ld
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(Collective flow)
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25.75.-q
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(Relativistic heavy-ion collisions (collisions induced by light ions studied to calibrate relativistic heavy-ion collisions should be classified under both 25.75.-q and sections 13 or 25 appropriate to the light ions))
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24.10.Nz
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(Hydrodynamic models)
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| Fund: Supported by the Shanghai Key Lab of Modern Optical System. |
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