Kinetic freeze-out in central Au+Au collisions is a continuous process spanning broad ranges of temperature and baryon chemical potential, with averages nearly flat in transverse momentum and rapidity.
Thermal hadron production in pp and p{\bar p} collisions
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abstract
It is shown that the hadron production in high energy pp and p{\bar p} collisions, calculated by assuming that particles originate in hadron gas fireballs at thermal and partial chemical equilibrium, agrees very well with the data. The temperature of the hadron gas fireballs, determined by fitting hadron abundances, does not seem to depend on the centre of mass energy, having a nearly constant value of about 170 MeV. This value is in agreement with that obtained in e^+e^- collisions and supports a universal hadronization mechanism in all kinds of reactions consisting in a parton-hadron transition at critical values of temperature and pressure.
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Temperatures and chemical potentials at kinetic freeze-out in relativistic heavy ion collisions from coarse grained transport simulations
Kinetic freeze-out in central Au+Au collisions is a continuous process spanning broad ranges of temperature and baryon chemical potential, with averages nearly flat in transverse momentum and rapidity.