Pseudorapidity distribution of multiplicity in Au+Au collisions at √s<SUB>NN</SUB>=200GeV

DONG Ya-Fei; JIANG Zhi-Jin; WANG Zeng-Wei

doi:10.1088/1674-1137/32/4/004

Chinese Physics C> 2008, Vol. 32> Issue(4) : 259-263 DOI: 10.1088/1674-1137/32/4/004

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

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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 √s_NN=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 √s_NN=200GeV[J]. Chinese Physics C, 2008, 32(4): 259-263. doi: 10.1088/1674-1137/32/4/004

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Received: 2007-07-23
Revised: 2007-10-18

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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

Corresponding author: JIANG Zhi-Jin,

Received Date: 2007-07-23

Accepted Date: 2007-10-18

Available Online: 2008-04-05

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 √s_NN=200GeV. The results are in good agreement with the experimental observations.

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

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

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

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

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