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Intermediate mass dilepton production in a chemically non-equilibrated quark-gluon matter
He, ZJ; Long, JL; Ma, GL; Ma, YG; Zhang, JJ; Liu, B; 刘波(理)
2003
发表期刊ACTA PHYSICA SINICA
卷号52期号:11页码:2831-2835
通讯作者Chinese Acad Sci, Shanghai Inst Nucl Res, Shanghai 201800, Peoples R China ; Chinese Acad Sci, Ctr Theoret Nucl Phys, Natl Lab heavy Ion Accelerator, Inst Modern Phys, 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 dilepton production during the chemical equilibration of baryon-rich quark-gloun matter, and found that due to the slowing down of the cooling rate and the high initial temperature of the quark-gloun matter(QGM) produced at RHIC energies, the quark phase contribution to dileptons with intermediate masses is significantly heightened, thus, the enhancement of dileptons with intermediate masses should be an signal for the QGM formation. Since this enhancement can compensate the dilepton suppression caused by increasing the initial chemical potential, therefore, the dilopton suppression may not be a signal for the quark-gloun matter formation.
关键词chemically non-equilibrated quark-gluon matter thermal charm quarks dileptons
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:000186520100031
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被引频次:2[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/311005/239829
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,Ma, GL,et al. Intermediate mass dilepton production in a chemically non-equilibrated quark-gluon matter[J]. ACTA PHYSICA SINICA,2003,52(11):2831-2835.
APA He, ZJ.,Long, JL.,Ma, GL.,Ma, YG.,Zhang, JJ.,...&刘波.(2003).Intermediate mass dilepton production in a chemically non-equilibrated quark-gluon matter.ACTA PHYSICA SINICA,52(11),2831-2835.
MLA He, ZJ,et al."Intermediate mass dilepton production in a chemically non-equilibrated quark-gluon matter".ACTA PHYSICA SINICA 52.11(2003):2831-2835.
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