Charged particle pseudorapidity densities are presented for the 197 Au + 197 Au reaction at √ s NN = 130 GeV. These densities provide an essential characterization of the underlying reactions mechanisms for ultra-relativistic heavy-ion collisions. This talk details how the global charged particle yields are measured at BRAHMS and presents some preliminary results from the analysis of data taken during the first year of the RHIC experimental program.

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Preprint submitted to Elsevier Science

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