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Strange quark collectivity of $ϕ$ meson at RHIC

J. H. Chen·Y. G. Ma*·G. L. Ma·H. Z. Huang·X. Z. Cai·Z. J. He·J. L. Long·W. Q. Shen·J. X. Zuo
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Abstract

Based on A Multi-Phase Transport model, the elliptic flow $v_{2}$ of $ϕ$ 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 $ϕ$ meson can keep the earlier information before $ϕ$ decays and it seems to obey the number of constituent quark scaling as other mesons and baryons. This result indicates that the $ϕ$ $v_2$ 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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J. H. Chen, Y. G. Ma*, G. L. Ma, H. Z. Huang, X. Z. Cai, Z. J. He, J. L. Long, W. Q. Shen, J. X. Zuo. 2006-06-08. Strange quark collectivity of $ϕ$ meson at RHIC. https://doi.org/10.1140/epja%2Fi2005-10289-5

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