Bannur, Vishnu M. ; Kaw, Predhiman K. ; Parikh, Jitendra C.
(1995)
*Longitudinal expansion of matter formed by partial stopping in relativistic heavy ion collisions*
Nuclear Physics A, 591
(4).
pp. 738-754.
ISSN 0375-9474

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/037594...

Related URL: http://dx.doi.org/10.1016/0375-9474(95)00206-G

## Abstract

We investigate the modification of Landau's solution of hydrodynamic expansion of a fireball formed in relativistic heavy ion collisions when there is partial transparency. In our model of collision we assume that the transparent fraction (of nuclei) creates a color flux tube behind it which eventually produces QCD matter (t-fluid) outside the central QCD matter (s-fluid) formed by stopped nuclei. Thus the s-fluid expands against the nonzero pressure due to the t-fluid when the transparency is small. It makes the boundary condition on the expanding side of the s-fluid different from that of Landau and hence leads to a new solution of the hydrodynamic equations. Using the new solution we calculate the particle multiplicity distribution which is different from that of Landau, and the modification depends on the fraction of stopping.

Item Type: | Article |
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Source: | Copyright of this article belongs to Elsevier Science. |

Keywords: | Relativistic Heavy Ion Collisions; Particle Multiplicity Distributions; Landau's Model; Partial Stopping |

ID Code: | 25167 |

Deposited On: | 01 Dec 2010 12:00 |

Last Modified: | 04 Jun 2011 04:00 |

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