Azimuthal Anisotropy of Identified Hadrons in 200 GeVAu + Au Collisions
نویسنده
چکیده
The azimuthal anisotropy parameter v 2 has been measured with high statistics for identified hadrons in √ s N N = 200 GeV Au+Au collisions with the STAR experiment. At high transverse momentum (p T) a strong v 2 for π + + π − and p + p is observed. In the intermediate p T region, number-of-constituent-quark scaling was tested to high precision. A detailed comparison of v 2 for the multi-strange hadrons φ, Ξ − + Ξ + , and Ω − + Ω + with other particle species substantiates the development of collectivity among partons in the early phase of the collisions at RHIC.
منابع مشابه
Azimuthal Anisotropy of Charged and Identified High pT Hadrons in Au+Au Collisions at RHIC
We report new results on v2(pT ) for Au+Au collisions at √ sNN=200 GeV for charged hadrons, pions, kaons, (anti)protons, K s , and Λ. The analysis is extended to pT = 12 GeV/c for charged hadrons and pT = 4 GeV/c for identified particles. A comparison of the azimuthal anisotropy of charged hadrons measured at √ sNN=130 and 200 GeV is presented. The pT -dependence of baryon versus meson elliptic...
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