$φ$ meson production in Au - Au collisions at $\sqrt{s_{NN}}$ = 200 GeV

Details $φ$ meson production in Au - Au collisions at $\sqrt{s_{NN}}$ = 200 GeV $φ$ meson production in Au - Au collisions at $\sqrt{s_{NN}}$ = 200 GeV

2002-09-28

arxiv.org/abs/nucl-ex/0209028v1

Nucl.Phys. A715 (2003) 494-497

Physics

Nuclear Physics

Nuclear Experiment

4 pages, 2 figures, Talk given at Quark Matter 2002, Nantes, France, July 18-24 2002

Scientific paper

10.1016/S0375-9474(02)01495-1

A simultaneous measurement of the $\phi$ meson via its $K^{+} K^{-} $ and $e^{+} e^{-}$ decay channels was performed in Au + Au collisions at $\sqrt{s_{NN}}$ = 200 GeV at mid-rapidity by the PHENIX experiment. The preliminary minimum bias yields $dN_{\phi}/dy$ in the kaon and electron channels are $2.01 \pm 0.22 (stat.) ^{+1.01}_{-0.52} (syst.)$ and $5.4 \pm 2.5 (stat) ^{+3.4}_{-2.8} (syst.)$, respectively. The centrality dependence of the yield in the $K^{+} K^{-} $ channel is presented.

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