Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-05-20
Fizika B12 (2003) 235-256
Physics
High Energy Physics
High Energy Physics - Phenomenology
17 pages, no figers, Latex
Scientific paper
We describe the quark gluon plasma (QGP) as a thermalized quark-gluon system, the thermalized QGP phase of QCD. The hadronization of the thermalized QGP phase is given in a way resembling a coalescence model with correlated quarks and anti-quarks. The input parameters of the approach are the spatial volumes of the hadronization. We introduce three dimensionless parameters C_M, C_B and C_\bar{B} related to the spatial volumes of the production of low-lying mesons (M), baryons (B) and antibaryons (\bar{B}). We show that at the temperature T= 175 MeV our predictions for the ratios of multiplicities agree good with the presently available set of hadron ratios measured for various experiments given by NA44, NA49, NA50 and WA97 Collaborations on Pb+Pb collisions at 158 GeV/nucleon, NA35 Collaboration on S+S collisions and NA38 Collaboration on O+U and S+U collisions at 200 GeV/nucleon.
Berdnikov Ya. A.
Ivanov Andrei N.
Ivanova V. A.
Kosmach V. F.
Samsonov V. M.
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