Strange quark collectivity of $φ$ meson at RHIC

Details Strange quark collectivity of $φ$ meson at RHIC Strange quark collectivity of $φ$ meson at RHIC

2005-10-31

arxiv.org/abs/nucl-th/0510095v2

Eur.Phys.J. A29 (2006) 11-14

Physics

Nuclear Physics

Nuclear Theory

Proceeding for the "Workshop on Quark-Gluon-Plasma Thermalization", TU Wien, Vienna, Austria, Aug. 2005

Scientific paper

10.1140/epja/i2005-10289-5

Based on A Multi-Phase Transport model, the elliptic flow $v_{2}$ of $\phi$ mesons which is reconstructed from $K^{+}K^{-}$ at the Relativistic Heavy Ion Collider (RHIC) energy has been studied. The results show that reconstructed $v_{2}$ of $\phi$ meson can keep the earlier information before $\phi$ decays and it seems to obey the number of constituent quark scaling as other mesons and baryons. This result indicates that the $\phi$ $v_2$ mostly reflects the parton level collectivity developed during the early stage of the collisions and the strange and light up/down quarks have similar collectivity properties before the hadronization.

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