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Understanding the rapidity dependence of the elliptic flow and the HBT radii at RHIC

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Type
Published Article
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Identifiers
DOI: 10.1063/1.2197458
arXiv ID: nucl-th/0510027
Source
arXiv
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Abstract

The pseudo-rapidity dependence of the elliptic flow at various excitation energies measured by the PHOBOS Collaboration in Au+Au collisions at RHIC is one of the surprising results that has not been explained before in terms of hydrodynamical models. Here we show that these data are in agreement with theoretical predictions and satisfy the universal scaling relation predicted by the Buda-Lund hydrodynamical model, based on exact solutions of perfect fluid hydrodynamics. We also show a theoretical prediction on the rapidity and transverse momentum scaling of the HBT radii measured in heavy ion collisions, based on the Buda-Lund model.

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