Transverse momentum spectra of hadrons produced in central heavy-ion collisions
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In-medium effects of transverse-mass distributions of quarks and gluons are considered assuming a possible local equilibrium for colorless quark objects like mesons and baryons created in central A+A collisions. It is shown that the average square of the transverse momentum for these partons grows and then saturates when the initial energy increases. Within the quark-gluon string model it leads to the energy dependence of hadron transverse mass spectra which is similar to that observed in heavy ion collisions. Comparison with other scenarios is given.
16 pages, 3 figures. Talk given at the Workshop "Relativistic Nuclear Physics: from Nuclotron to LHC energies", Kiev, Ukraine, June 18-22, 2007
16 pages, 3 figures. Talk given at the Workshop "Relativistic Nuclear Physics: from Nuclotron to LHC energies", Kiev, Ukraine, June 18-22, 2007