Large p(t) enhancement from freeze out

  • Freeze out of particles across three dimensional space-time hypersurface is discussed in a simple kinetic model. The final momentum distribution of emitted particles, for freeze out surfaces with space-like normal, shows a non-exponential transverse momentum spectrum. The slope parameter of the pt distribution increases with increasing pt, in agreement with recently measured SPS pion and h spectra.

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Author:Volodymyr K. MagasORCiD, Csaba Anderlik, László Pal CsernaiORCiDGND, Frederique GrassiORCiD, Walter GreinerGND, Yogiro HamaORCiD, Takeshi KodamaORCiD, Zsolt Iosif LazarORCiD, Horst StöckerORCiDGND
Document Type:Preprint
Date of Publication (online):2005/11/29
Year of first Publication:1999
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2005/11/29
Conservation Laws; Freeze Out; Particle Spectra
Source:Phys.Lett.B459:33-36,1999. [nucl-th/9905054]
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoDeutsches Urheberrecht