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Freeze-out conditions in ultrarelativistic heavy-ion collisions |
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| Authors: | Nu Xu I G Bearden H Bøggild J Boissevain J Dodd B Erazmus S Esumi C W Fabjan D Ferenc D E Fields A Franz J Gaardhøje O Hansen D Hardtke H van Hecke E B Holzer T Humanic P Hummel B V Jacak R Jayanti M Kaneta M Kopytine M Leltchouk T Ljubicic B Lörstad N Maeda A Medvedev M Murray S Nishimura H Ohnishi G Paic S U Pandey F Piuz J Pluta V Polychronakos M Potekhin G Poulard A Sakaguchi J Simon-Gillo J Schmidt-Sørensen W Sondheim M Spegel T Sugitate J P Sullivan Y Sumi W J Willis K Wolf N Xu D S Zachary |
| Institution: | 1. Los Alamos National Laboratory, 87545, Los Alamos, NM, U.S.A. |
| Abstract: | We present recent results on single particle transverse momentum distributions of pions, kaons and protons, measured in CERN Experiment NA44, of 200 AGeV/c S+S and 158 AGeV/c Pb+Pb central collisions. By comparing these data with thermal and transport models, freeze-out parameters like the temperatureT fo and the chemical potentials (μ q ,μ s ) are extracted and discussed. |
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