Covariant description of kinetic freeze out through a finite time-like layer
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The Freeze Out (FO) problem is addressed for a covariant FO probability and a finite FO layer with a time-like normal vector continuing the line of studies introduced in Ref. [1]. The resulting post FO momentum distribution functions are presented and discussed. We show that in general the post FO distributions are non-thermal and asymmetric distributions even for time-like FO situations.
10 pages, 12 figures, major rewrite with changed content, corrected typos and new references added
10 pages, 12 figures, major rewrite with changed content, corrected typos and new references added