$φ$- meson Production at RHIC energies using the PHENIX Detector

Details $φ$- meson Production at RHIC energies using the PHENIX Detector $φ$- meson Production at RHIC energies using the PHENIX Detector

2009-01-21

arxiv.org/abs/0901.3362v1

J.Phys.G36:064023,2009

Physics

High Energy Physics

High Energy Physics - Experiment

Scientific paper

10.1088/0954-3899/36/6/064023

Light vector mesons are among the most informative probes to understand the strongly coupled Quark Gluon Plasma created at RHIC. The suppression of light mesons at high transverse momentum, compared to expectations from scaled $p+p$ results, reflects the properties of the strongly interacting matter formed. The $\phi$-meson is one of the probes whose systematic measurement in $p+p$, $d+Au$ and $Au+Au$ collisions can provide useful information about initial and final state effects on particle production. The mass, width and branching ratio of the $\phi$-meson decay in the di-kaon and di-electron decay channels could be modified in \au collisions due to the restoration of chiral symmetry in the QGP. The PHENIX experiment at RHIC has measured $\phi$-meson production in various systems ranging form $p+p$, $d+Au$ to $Au+Au$ collisions via both its di-electron and di-kaon decay modes. A summary of PHENIX results on invariant spectra, nuclear modification factor and elliptic flow of the $\phi$-meson are presented here.

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