Transverse-Mass Effective Temperature in Heavy-Ion Collisions from AGS to SPS

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Transverse-mass spectra in Au+Au and Pb+Pb collisions in incident energy range from 2A to 160A GeV are analyzed within the model of 3-fluid dynamics. It is shown that dynamical description of freeze-out, accepted in this model, naturally explains the incident energy behavior of inverse-slope parameters of these spectra observed in experiment. Simultaneous reproduction of the inverse-slopes of all considered particles (protons, pions and kaons) suggests that these particles belong to the same hydrodynamic flow at the instant of their freeze-out.
4 pages, 3 figures

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Nuclear Theory, High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/206796

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nucl-th/0607070
 http://arxiv.org/abs/nucl-th/0607070
 Eur.Phys.J.A37:139-142,2008
 doi:10.1140/epja/i2008-10634-2

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arXiv