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Partonic flow and I-Meson production in Au+Au collisions at sNN=200 GeV

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成果类型:
期刊论文
作者:
Abelev, B. I.*;Aggarwal, M. M.;Ahammed, Z.;Anderson, B. D.;Arkhipkin, D.;...
通讯作者:
Abelev, B. I.
作者机构:
[Abelev, B. I.] Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA.
Univ Birmingham, Birmingham B15 2TT, W Midlands, England.
Brookhaven Natl Lab, Upton, NY 11973 USA.
CALTECH, Pasadena, CA 91125 USA.
Univ Calif Berkeley, Berkeley, CA 94720 USA.
通讯机构:
[Abelev, B. I.] A
Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA.
语种:
英文
期刊:
PHYSICAL REVIEW LETTERS
ISSN:
0031-9007
年:
2007
卷:
99
期:
11
页码:
112301
机构署名:
本校为其他机构
院系归属:
物理科学与技术学院
摘要:
We present first measurements of the ϕ-meson elliptic flow (v2(pT)) and high-statistics pT distributions for different centralities from sNN=200GeV Au+Au collisions at RHIC. In minimum bias collisions the v2 of the ϕ meson is consistent with the trend observed for mesons. The ratio of the yields of the Ω to those of the ϕ as a function of transverse momentum is consistent with a model based on the recombination of thermal s quarks up to pT 4GeV/c, but disagrees at higher momenta. The nuclear modification factor (RCP) of ϕ follows...

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