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Sa, BH; Zhou, DM; Tan, ZG; Sa, BH , China Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China
Charge particle universal rapidity scaling in e(+)e(-), (p)over-bar+p and Au+Au collisions at relativistic energies and its partonic origin
Source PublicationJOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
KeywordLarge-transverse-momentum Heavy-ion Collisions Nuclear Collisions Firecracker Model 0.9 Tev Qcd Rescattering Simulation Evolution Cascades
AbstractThe BRAHMS and PHOBOS collaborations recently revisited the limiting fragmentation shown in the charged particle pseudorapidity density distribution in Au + Au collisions at RHIC energies. The PHOBOS collaboration especially emphasized that the observations of the charged particle universal (pseudo)rapidity scaling (limiting fragmentation) in e(+)e(-), (p) over bar + p and Au + Au collisions at relativistic energies may play an important role in the study of reaction dynamics. We use a parton and hadron cascade model, PACIAE, to investigate the charged particle universal (pseudo)rapidity scaling in the above collisions. It is pointed out that, because the universal scaling was observed in the tail region of the (pseudo)rapidity distributions, the discrepancies among distributions may not be properly visible. Therefore, this universal scaling may not have much to do with reaction dynamics, especially quark-gluon plasma. In addition, the charged particle universal scaling observed in the hadronic final state seems to arise from the partonic initial state.
2006
ISSN0954-3899
Volume32Issue:3Pages:243-250
Subject AreaPhysics
Indexed BySCI
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/6031
Collection理论物理所科研产出_SCI论文
Corresponding AuthorSa, BH , China Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China
Recommended Citation
GB/T 7714
Sa, BH,Zhou, DM,Tan, ZG,et al. Charge particle universal rapidity scaling in e(+)e(-), (p)over-bar+p and Au+Au collisions at relativistic energies and its partonic origin[J]. JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,2006,32(3):243-250.
APA Sa, BH,Zhou, DM,Tan, ZG,&Sa, BH , China Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China.(2006).Charge particle universal rapidity scaling in e(+)e(-), (p)over-bar+p and Au+Au collisions at relativistic energies and its partonic origin.JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,32(3),243-250.
MLA Sa, BH,et al."Charge particle universal rapidity scaling in e(+)e(-), (p)over-bar+p and Au+Au collisions at relativistic energies and its partonic origin".JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS 32.3(2006):243-250.
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