A Unified Approach towards Describing Rapidity and Transverse Momentum Distributions in Thermal Freeze-Out Model

Abstract

We have attempted to describe the rapidity and transverse momentum spectra, simultaneously, of the hadrons produced in the Ultra-relativistic Nuclear Collisions. This we have tried to achieve in a single statistical thermal freeze-out model using single set of parameters. We assume the formation of a hadronic gas in thermo-chemical equilibrium at the freeze-out. The model incorporates a longitudinal as well as a transverse hydrodynamic flow. We have also found that the role of heavier hadronic resonance decay is important in explaining the particle spectra.

22 pages, 11 figures

References in corpus (4)

• Chemical Equilibrium in Heavy Ion Collisions: Rapidity Dependence
• Exteneded Longitudinal Scaling and the Thermal Model
• Overview and Recent Results from BRAHMS
• Rapidity scaling of multiplicity and flow in weakly and strongly interacting systems

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• Investigation of the freeze-out parameters in B-B, O-O, Ca-Ca and Au-Au collisions at 39 GeV
• The effect of flow on Hadronic Spectra in an Excluded-Volume Model
• Study of Centrality Dependence of Kinetic Freeze-out Conditions in Pb + Pb Collisions at Root(sNN)= 2.76 TeV
• Event patterns extracted from anisotropic spectra of charged particles produced in Pb-Pb collisions at 2.76 TeV
• Multiplicity per rapidity in Carruthers and hadron resonance gas approaches
• ${\Omega }^{-}$ production as a probe of equation of state of dense matter near the QCD phase transition in relativistic heavy-ion collisions