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Abstract: The recent PHENIX mid-rapidity measurements of multiplicity distributions forcentrality bins are analyzed in the framework of superposition models. A simplesuperposition of pp events is shown to disagree with the heavy ion data fordispersion as a function of centrality. However, it is suggested that a modeldescribing properly the pp data and based in the -wounded quark- idea may becompatible with the multiplicity data for heavy ion collisions.



Autor: K. Fialkowski, R. Wit

Fuente: https://arxiv.org/







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