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Mass, quark-number, and root s(NN) dependence of the second and fourth flow harmonics in ultrarelativistic nucleus-nucleus collisions

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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.] Yale Univ, New Haven, CT 06520 USA.
Carnegie Mellon Univ, Pittsburgh, PA 15213 USA.
Univ Illinois, Chicago, IL USA.
Creighton Univ, Omaha, NE 68178 USA.
Acad Sci Czech Republ, Inst Nucl Phys, CZ-25068 Rez, Czech Republic.
通讯机构:
[Abelev, B. I.] Y
Yale Univ, New Haven, CT 06520 USA.
语种:
英文
期刊:
PHYSICAL REVIEW C
ISSN:
2469-9985
年:
2007
卷:
75
期:
5
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 STAR measurements of the azimuthal anisotropy parameter v(2) for pions, kaons, protons, Lambda,(Lambda) over bar,Xi+ (Xi) over bar, and Omega+ (Omega) over bar, along with v(4) for pions, kaons, protons, and Lambda+(Lambda) over bar at midrapidity for Au+Au collisions at root s(NN)=62.4 and 200 GeV. The v(2)(p(T)) values for all hadron species at 62.4 GeV are similar to those observed in 130 and 200 GeV collisions. For observed kinematic ranges, v(2) values at 62.4, 130, and 200 GeV are as little as 10-15% larger than those in Pb+Pb collisions at root s(NN)=17.3 GeV. At intermediate...

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