Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2000-11-16
Phys.Rev. C64 (2001) 011902
Physics
Nuclear Physics
Nuclear Theory
4 pages, revtex, 4 figures, one figure replaced for added discussions
Scientific paper
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.
Ko Che Ming
Li Bao-An
Lin Zi-wei
Pal Subrata
Zhang Bin
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