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Particle-type dependence of azimuthal anisotropy and nuclear modification of particle production in Au plus Au collisions at root s(NN)=200 GeV
Adams, J; Adler, C; Aggarwal, MM; Cai, XZ(蔡翔舟); Liu, QJ; Ma, J; Ma, YG(马余刚); Zhang, WM; Zhang, ZP; Zoulkarneeva, J; Zubarev, AN
2004
Source PublicationPHYSICAL REVIEW LETTERS
ISSN0031-9007
Volume92Issue:5
AbstractWe present STAR measurements of the azimuthal anisotropy parameter v(2) and the binary-collision scaled centrality ratio R-CP for kaons and lambdas (Lambda+(Lambda) over bar) at midrapidity in Au+Au collisions at roots(NN)=200 GeV. In combination, the v(2) and R-CP particle-type dependencies contradict expectations from partonic energy loss followed by standard fragmentation in vacuum. We establish p(T)approximate to5 GeV/c as the value where the centrality dependent baryon enhancement ends. The K-S(0) and Lambda+(Lambda) over bar v(2) values are consistent with expectations of constituent-quark-number scaling from models of hadron formation by parton coalescence or recombination.
Indexed BySCI
Language中文
Funding Project应物所项目组
WOS IDWOS:000188785200014
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/9425
Collection中科院上海应用物理研究所2004-2010年
Recommended Citation
GB/T 7714
Adams, J,Adler, C,Aggarwal, MM,et al. Particle-type dependence of azimuthal anisotropy and nuclear modification of particle production in Au plus Au collisions at root s(NN)=200 GeV[J]. PHYSICAL REVIEW LETTERS,2004,92(5).
APA Adams, J.,Adler, C.,Aggarwal, MM.,Cai, XZ.,Liu, QJ.,...&Zubarev, AN.(2004).Particle-type dependence of azimuthal anisotropy and nuclear modification of particle production in Au plus Au collisions at root s(NN)=200 GeV.PHYSICAL REVIEW LETTERS,92(5).
MLA Adams, J,et al."Particle-type dependence of azimuthal anisotropy and nuclear modification of particle production in Au plus Au collisions at root s(NN)=200 GeV".PHYSICAL REVIEW LETTERS 92.5(2004).
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