Charged particle rapidity distributions at RHIC

Abstract

Using a multiphase transport model (AMPT), which includes both initial partonic and final hadronic interactions, we study the rapidity distributions of charged particles such as protons, antiprotons, pions, and kaons in heavy ion collisions at RHIC. The theoretical results for the total charged particle multiplicity at midrapidity are consistent with those measured by the PHOBOS collaboration in central Au+Au collisions at $\sqrt{s}$ = 56 and 130 AGeV. We find that these hadronic observables are much more sensitive to the hadronic interactions than the partonic interactions.

4 pages, revtex, 4 figures, one figure replaced for added discussions

References in corpus (6)

• A Multi-Phase Transport model for nuclear collisions at RHIC
• Charged particle multiplicity near mid-rapidity in central Au+Au collisions at $\sqrt{s}=$ 56 and 130 AGeV
• Energy and Centrality Dependence of Rapidity Densities at RHIC
• J/psi suppression in ultrarelativistic nuclear collisions
• Inclusive Particle Spectra at RHIC
• Interpretation of the First Data on Central Au+Au Collisions at Square-Root of s = 56 and 130 A GeV

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