Cancelling Jüttner distributions for space-like freeze-out
Theoretical and Computational Physics Section, Department of Physics, University of Bergen, Allegaten 55, 5007, Bergen, Norway
2 MTA-KFKI, Research Institute for Particle and Nuclear Physics, P.O. Box 49, 1525, Budapest 114, Hungary
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We study the freeze-out process of particles across a three-dimensional space-time hypersurface with space-like normal. The problem of negative contribution is discussed with respect to conservation laws, and a simple and practical new one-particle distribution for the post-FO side is introduced, the Cancelling Jüttner (CJ) distribution.
© Società Italiana di Fisica and Springer-Verlag, 2004