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Enhancement of intermediate mass dileptons from expanding hot quark-gluon matter
He, ZJ; Zhou, WJ; Jiang, WZ; Zhang, JJ; Liu, B; 刘波(理)
2002
发表期刊ACTA PHYSICA SINICA
卷号51期号:6页码:1312-1316
通讯作者Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China ; Chinese Acad Sci, Inst Nucl Res, Shanghai 201800, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China
文章类型Article
摘要A study of the production of intermediate mass dileptons from the quark phase and hadronic interactions as wen as nonthermal contributions (Drell-Yan pairs, charmed hadronic decays) in the initial stage has been carried out based on a relativistic hydrodynamic model describing the evolution of a quark-gluon matter fire-cylinder. We find that due to the influence of the phase boundary on the evolution of the quark-gluon matter system and the high initial temperature of the quark-gluon matter produced at RHIC energies, the contribution of the quark phase to dileptons is obviously enhanced and is more important than those from hadronc interactions and even is comparable with those from nonthermal contributions. It is shown that the enhancement of intermediate mass dileptons is a possible signature for the quark-gluon matter formation in heavy ion collisions at RHIC energies.
关键词quark-gluon matter dilepton enhancement relativistic hydrodynamic model
学科领域Physics
研究领域[WOS]Physics ; Physics
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000176050800031
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被引频次:1[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/311005/239270
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,Zhou, WJ,Jiang, WZ,et al. Enhancement of intermediate mass dileptons from expanding hot quark-gluon matter[J]. ACTA PHYSICA SINICA,2002,51(6):1312-1316.
APA He, ZJ,Zhou, WJ,Jiang, WZ,Zhang, JJ,Liu, B,&刘波.(2002).Enhancement of intermediate mass dileptons from expanding hot quark-gluon matter.ACTA PHYSICA SINICA,51(6),1312-1316.
MLA He, ZJ,et al."Enhancement of intermediate mass dileptons from expanding hot quark-gluon matter".ACTA PHYSICA SINICA 51.6(2002):1312-1316.
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