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Intermediate mass dileptons from a chemically non-equilibrated quark-gluon plasma
He, ZJ; Long, JL; Jiang, WZ; Ma, YG; Liu, B; 刘波(理)
2003
发表期刊NUCLEAR PHYSICS A
卷号724期号:3-4页码:477-489
通讯作者CCAST, World Lab, Beijing 100080, Peoples R China ; Chinese Acad Sci, Shanghai Inst Nucl Res, Shanghai 201800, Peoples R China ; Chinese Acad Sci, Inst Modern Phys, Res Ctr Nucl Theory, Natl Lab Heavy Ion Accelerator, Lanzhou 730000, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China
文章类型Article
摘要We have studied the evolution and dilepton production of a chemically equilibrating quark-gluon plasma considering finite baryon density based on Juttner distribution of partons, and found that due to the increasing of the quark phase life-time with increasing initial quark chemical potential, high initial temperature, large gluon density of the system as well as large gluon fusion gg --> c (c) over bar cross section in the intermediate mass region, quark-antiquark annihilation q (q) over bar --> l (l) over bar, especially, thermal charmed quarks from the gluon fusion gg --> c (c) over bar and quark-antiquark annihilation q (q) over bar --> c (c) over bar provide a dominant contribution to dileptons, resulting in a significant enhancement of intermediate mass dileptons. (C) 2003 Elsevier B.V. All rights reserved.
关键词chemical equilibration quark-gluon plasma dilepton
学科领域Physics
研究领域[WOS]Physics ; Physics
DOI10.1016/S0375-9474(03)01516-1
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Nuclear
WOS记录号WOS:000184506900013
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237651
专题理论物理室
作者单位中国科学院高能物理研究所
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He, ZJ,Long, JL,Jiang, WZ,et al. Intermediate mass dileptons from a chemically non-equilibrated quark-gluon plasma[J]. NUCLEAR PHYSICS A,2003,724(3-4):477-489.
APA He, ZJ,Long, JL,Jiang, WZ,Ma, YG,Liu, B,&刘波.(2003).Intermediate mass dileptons from a chemically non-equilibrated quark-gluon plasma.NUCLEAR PHYSICS A,724(3-4),477-489.
MLA He, ZJ,et al."Intermediate mass dileptons from a chemically non-equilibrated quark-gluon plasma".NUCLEAR PHYSICS A 724.3-4(2003):477-489.
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