Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-03-07
Europhys.Lett.78:22001,2007
Physics
High Energy Physics
High Energy Physics - Phenomenology
8 pages, 3 figures
Scientific paper
10.1209/0295-5075/78/22001
We investigate particle production in heavy-ion collisions at RHIC energies as function of incident energy, and centrality in a three-sources Relativistic Diffusion Model. Pseudorapidity distributions of produced charged hadrons in Au + Au and Cu + Cu collisions at sqrt(s_NN) = 19.6 GeV, 62.4 GeV, 130 GeV and 200 GeV show an almost equilibrated midrapidity source that tends to increase in size towards higher incident energy, and more central collisions. It may indicate quark-gluon plasma formation prior to hadronization.
Kuiper Rolf
Wolschin Georg
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