Abstract

We present the system size (centrality) dependence of the mean transverse mass, of the K/π ratio, and the width of the rapidity distributions. Except for the latter a steep increase with centrality is observed for small systems followed by a weak rise or even saturation for higher centralities at both energies. This behavior is compared to calculations using transport models (UrQMD and HSD), a percolation model and the core-corona approach.

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