Freeze-out dynamics at RHIC

Details Freeze-out dynamics at RHIC Freeze-out dynamics at RHIC

2004-08-25

arxiv.org/abs/nucl-ex/0408022v1

Acta Phys.Hung. A24 (2005) 39-44

Physics

Nuclear Physics

Nuclear Experiment

6 pages, 2 figures; to appear in the proceedings of the 20th Winter Workshop on Nuclear Dynamics, held in Trelawny Beach, Jama

Scientific paper

10.1556/APH.24.2005.1-4.6

Investigation of the final hadronic state properties of ultra-relativistics pp and Au+Au collisions supplies information on freeze-out conditions at RHIC and possible insights into early stages of these collisions. A variety of particle spectra measured by STAR are studied within the framework of chemical and local kinetic equlibrium models. Here we present the extracted chemical and final kinetic freeze-out temperatures, strangeness saturation factor, final collective flow velocity, and the inferred flow velocity at chemical freeze-out. In light of those measurements we disscuss dynamical evoution of the collission system.

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