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Uncertainty due to quark energy loss in determining the nuclear sea quark distribution from nuclear Drell-Yan data
Duan, CG; Liu, N; Li GL(厉光烈); Li, GL
2009
发表期刊PHYSICAL REVIEW C
卷号79期号:4页码:48201
通讯作者[Duan, C. G. ; Liu, N.] Hebei Normal Univ, Dept Phys, Shijiazhuang 050016, Peoples R China ; [Duan, C. G.] Hebei Adv Thin Films Lab, Shijiazhuang 050016, Peoples R China ; [Liu, N.] Shijiazhuang Univ Econ, Coll Math & Phys, Shijiazhuang 050031, Peoples R China ; [Li, G. L.] Nanjing Xiaozhuang Univ, Dept Phys, Nanjing 210017, Peoples R China ; [Li, G. L.] Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China
文章类型Article
摘要By means of two different parametrizations of quark energy loss and the nuclear parton distributions determined only with lepton-nuclear deep inelastic scattering experimental data, a leading order phenomenological analysis is performed on the nuclear Drell-Yan differential cross section ratios for E772 experimental data. Uncertainty due to the quark energy loss effect is quantified in determining the nuclear sea quark distribution by using nuclear Drell-Yan data. It is found that the quark energy loss effect on nuclear Drell-Yan cross section ratios becomes greater with the increase of quark momentum fraction in the target nuclei. The uncertainty from the quark energy loss becomes bigger as the nucleus A becomes heavier. The Drell-Yan data on proton incident middle and heavy nuclei versus deuterium would result in an overestimate for nuclear modification in the sea quark distribution with neglecting the quark energy loss.
学科领域Physics
DOI10.1103/PhysRevC.79.048201
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语种英语
WOS研究方向Physics
WOS类目Physics, Nuclear
WOS记录号WOS:000266634300078
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被引频次:11[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/311005/240636
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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Duan, CG,Liu, N,Li GL,et al. Uncertainty due to quark energy loss in determining the nuclear sea quark distribution from nuclear Drell-Yan data[J]. PHYSICAL REVIEW C,2009,79(4):48201.
APA Duan, CG,Liu, N,厉光烈,&Li, GL.(2009).Uncertainty due to quark energy loss in determining the nuclear sea quark distribution from nuclear Drell-Yan data.PHYSICAL REVIEW C,79(4),48201.
MLA Duan, CG,et al."Uncertainty due to quark energy loss in determining the nuclear sea quark distribution from nuclear Drell-Yan data".PHYSICAL REVIEW C 79.4(2009):48201.
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