Freeze-out in hydrodynamical models in relativistic heavy ion collisions

  • In continuum and fluid dynamical models, particles, which leave the system and reach the detectors, can be taken into account via freeze-out (FO) or final break-up schemes, where the frozen out particles are formed on a 3-dimensional hypersurface in space-time. Such FO descriptions are important ingredients of evaluations of two-particle correlation data, transverse-, longitudinal-, radial- and cylindrical- flow analyses, transverse momentum and transverse mass spectra and many other observables. The FO on a hypersurface is a discontinuity, where the pre FO equilibrated and interacting matter abruptly changes to non-interacting particles, showing an ideal gas type of behavior.

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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):2005/12/01
Year of first Publication:1999
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2005/12/01
Tag:hydrodynamisches Modell; relativistisch; schwere Ione
Freeze out; heavy ion collision; hydrodynamical model; relativistic
Source:Nucl.Phys.A661:596-599,1999. [nucl-th/0001049] , Quark Matter'99 Proceedings
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoDeutsches Urheberrecht