Aggarwal, M. M. ; Sinha, B. C. ; et., al (1999) Freeze-out parameters in Central 158A GeV 208Pb+Pb collisions Physical Review Letters, 83 (5). pp. 926-930. ISSN 0031-9007
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Official URL: http://prl.aps.org/abstract/PRL/v83/i5/p926_1
Related URL: http://dx.doi.org/10.1103/PhysRevLett.83.926
Abstract
Neutral pion production in central 158AGeV 208Pb+208Pb collisions has been studied in the WA98 experiment at the CERN Super Proton Synchrotron. The π0 transverse mass spectrum has been analyzed in terms of a thermal model with hydrodynamic expansion. The high accuracy and large kinematic coverage of the measurement allow one to limit previously noted ambiguities in the extracted freeze-out parameters. The results are shown to be sensitive to the shape of the velocity distribution at freeze-out.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 70337 |
| Deposited On: | 21 Nov 2011 08:50 |
| Last Modified: | 21 Nov 2011 08:50 |
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