Energy dependence of elliptic flow of $φ$-meson in STAR at RHIC

Details Energy dependence of elliptic flow of $φ$-meson in STAR at RHIC Energy dependence of elliptic flow of $φ$-meson in STAR at RHIC

2011-11-30

arxiv.org/abs/1111.7073v1

Acta Physica Polonica B Proceedings Supplement vol. 5 (2012) page 317

Physics

Nuclear Physics

Nuclear Experiment

Conference proceedings for Strangeness in Quark Matter 2011, Cracow, Poland, September 18-24, 2011

Scientific paper

10.5506/APhysPolBSupp.5.317

We present the measurement of elliptic flow ($v_{2}$) as a function of transverse momentum ($p_{T}$) for the $\phi$-meson in Au+Au collisions at $\sqrt{s_{NN}}$ = 7.7, 11.5 and 39 GeV. At low $p_{T}$ $\phi$-meson $v_{2}$ decreases with decrease in beam energy. The number of constituent quark ($n_{\rm{cq}}$) scaled $v_{2}$ for $\phi$-meson vs ($m_{T} - m_{0}$)/$n_{\rm{cq}}$ follows similar trend as other hadrons for $\sqrt{s_{NN}}$= 39 GeV whereas the $n_{\rm{cq}}$ scaled $v_{2}$ for $\phi$-mesons follows a different trend compared to the other hadrons at $\sqrt{s_{NN}}$= 11.5 GeV.

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