Pt Distributions of Identified Charged Hadrons Measured with the PHENIX Experiment at RHIC

Transverse momentum spectra of identified $π^{+}$, $π^{-}$, $K^{+}$, $K^{-}$, p and $\overline{p}$ were measured by the PHENIX experiment at mid-rapidity in Au-Au collisions at $\sqrt{s_{NN}}=130$ GeV over a broad momentum range. Inverse slope parameters and mean $p_{t}$ were measured in minimum bias events and as a function of the number of participating nucleons. The mass and centrality dependence of the inverse slope parameters and mean $p_{t}$ is presented and discussed.

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