Study of the transverse mass spectra of strange particles in Pb–Pb collisions at 158 A GeV/c
The Na57 experiment has collected high statistics, high purity samples of K$^0_s$ and $\Lambda, \Xi $ and $\Omega$ hyperons produced in Pb-Pb collisions at 158 A GeV/c. In this paper we present a study of the transverse mass spectra of these particles for a sample of events corresponding to the most...
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Veröffentlicht in: | Journal of physics. G, Nuclear and particle physics Nuclear and particle physics, 2004-06, Vol.30 (6), p.823-840, Article 823 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | The Na57 experiment has collected high statistics, high purity samples of K$^0_s$ and $\Lambda, \Xi $ and $\Omega$ hyperons produced in Pb-Pb collisions at 158 A GeV/c. In this paper we present a study of the transverse mass spectra of these particles for a sample of events corresponding to the most central 53 $\%$ of the inelastic Pb-Pb cross-section. We analyse the transverse mass distributions in the framework of the blast-wave model for the full sample and, for the first time at the SPS, as a function of the event centrality. |
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ISSN: | 0954-3899 1361-6471 |
DOI: | 10.1088/0954-3899/30/6/011 |