Pseudorapidity distribution of multiplicity in Au+Au collisions at √sNN=200GeV

  • Using the Glauber model, we discuss the number of binary nucleon-nucleon collisions in heavy-ion collisions. Based on the latter, after considering the effect of energy loss of the nucleons in multiple collisions, we derive the pseudorapidity distribution of the multiplicity as a function of the impact parameter in nucleus-nucleus collisions. Using this, we analyze the experimental measurements carried out by the BRAHMS Collaboration in Au+Au collisions at √sNN=200GeV. The results are in good agreement with the experimental observations.

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DONG Ya-Fei, JIANG Zhi-Jin and WANG Zeng-Wei. Pseudorapidity distribution of multiplicity in Au+Au collisions at √sNN=200GeV[J]. Chinese Physics C, 2008, 32(4): 259-263. doi: 10.1088/1674-1137/32/4/004
DONG Ya-Fei, JIANG Zhi-Jin and WANG Zeng-Wei. Pseudorapidity distribution of multiplicity in Au+Au collisions at √sNN=200GeV[J]. Chinese Physics C, 2008, 32(4): 259-263.  doi: 10.1088/1674-1137/32/4/004 shu
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Received: 2007-07-23
Revised: 2007-10-18
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Pseudorapidity distribution of multiplicity in Au+Au collisions at √sNN=200GeV

    Corresponding author: JIANG Zhi-Jin,

Abstract: 

Using the Glauber model, we discuss the number of binary nucleon-nucleon collisions in heavy-ion collisions. Based on the latter, after considering the effect of energy loss of the nucleons in multiple collisions, we derive the pseudorapidity distribution of the multiplicity as a function of the impact parameter in nucleus-nucleus collisions. Using this, we analyze the experimental measurements carried out by the BRAHMS Collaboration in Au+Au collisions at √sNN=200GeV. The results are in good agreement with the experimental observations.

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