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Transverse mass distributions of strange particles produced in Pb-Pb collisions at 158 A GeV/c

F. Antinori P. Bacon A. Badala R. Barbera A. Belogianni A. Bhasin I.J. Bloddworth M. Bombara G.E. Bruno S.A. Bull R. Caliandro M. Campbell W. Carena N. Carrer R.F. Clarke A. Dainese A.P. de Haas P.C. de Rijke D. Di Bari S. Di Liberto R. Divia D. Elia D. Evans K. Fanebust G.A. Feofilov R.A. Fini P. Ganoti B. Ghidini G. Grella H. Helstrup A.K. Holme A. Jacholkowski G.T. Jones P. Jovanovic A. Jusko R. Kamermans J.B. Kinson K. Knudson A.A. Kolozhvari V. Kondratiev I. Kralik A. Kravcakova P. Kuijers V. Lenti R. Letava G. Lavhoiden V. Manzari G. Martinska M.A. Mazzoni F. Meddi A. Michalon 1 M. Morando F. Navach P.I. Norman A. Palmeri G.S. Pappalardo B. Pastircak J. Pisut N. Pisutova E. Quercigh F. Riggi D. Röhrich G. Romano K. Safarik L. Sandor E. Schillings G. Segato M. Sené R. Sené W. Snoeys F. Soramel M. Spyropoulou-Stassinaki P. Staroba T.A. Toulina R. Turrisi T.S. Tveter Jakub Urban F.F. Valiev A. van den Brink P. van de Ven P. Vande Vyvre N. van Einjndhoven J. van Hunen A. Vascotto T. Vik O. Villalobos Baillie L. Vinogradov T. Virgili M.F. Votruba J. Vrlakova P. Zavada
1 IReS - Institut de Recherches Subatomiques
Abstract : Experiment NA57 has collected high statistics, high purity samples of $K^0_s$, $\Lambda$, $\Xi$ and $\Omega$ 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 about the most central 55% 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 under consideration and, for the first time at the SPS, as a function of the event centrality.
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Submitted on : Monday, October 18, 2004 - 9:36:58 AM
Last modification on : Thursday, April 23, 2020 - 2:26:21 PM

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F. Antinori, P. Bacon, A. Badala, R. Barbera, A. Belogianni, et al.. Transverse mass distributions of strange particles produced in Pb-Pb collisions at 158 A GeV/c. QCD@Work 2003 - International Workshop on QCD, Oct 2003, Conversano, Italy. pp.32. ⟨in2p3-00023243⟩

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