Abstract
The PHENIX experiment at RHIC has measured production of ω- and ϕ-mesons in p + p, d + Au and Au+Au collisions at and 200 GeV. Transverse momentum (mass) spectra measured in hadronic and di-electron decay channels are found to be in agreement with each other within the errors. Nuclear modification factors RAA measured for both mesons are consistent with results obtained for other neutral mesons. The position of the meson mass peaks and their widths reconstructed in hadronic decay channels are in agreement with their properties measured in vacuum.
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Schedule a callMore From: Journal of Physics G: Nuclear and Particle Physics
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