Freeze-out of the expanding system
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The freeze-out (FO) of the expanding systems, created in relativistic heavy-ion collisions, is discussed. We start with kinetic FO model, which realizes complete physical FO in a layer of given thickness, and then combine our gradual FO equations with Bjorken-type system expansion into a unified model. We shall see that the basic FO features, pointed out in the earlier works, are not smeared out by the expansion.
PACS.51.10.+y Kinetic and transport theory of gases 24.10.Nz Hydrodynamic models 25.75.-q Relativistic heavy-ion collisions
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