Résumé
We present the measurements of charged particle pseudorapidity distributions dNch/dη performed by the NA50 experiment in Pb-Pb collisions at the CERN SPS. Measurements were done at incident energies of 40 GeV (√s = 8.77 GeV) and 158 GeV (√s = 17.3 GeV) per nucleon over a broad impact parameter range. The multiplicity distributions are studied as a function of centrality using the number of participating nucleons (Npart), or the number of binary nucleon-nucleon collisions (Ncoll). Their values at midrapidity exhibit a linear scaling with Npart at both energies. Particle yield increases approximately by a factor of 2 between √s = 8.77 GeV and √s = 17.3 GeV.
| langue originale | Anglais |
|---|---|
| Pages (de - à) | 1059-1065 |
| Nombre de pages | 7 |
| journal | Pramana - Journal of Physics |
| Volume | 60 |
| Numéro de publication | 5 |
| Les DOIs | |
| état | Publié - 1 janv. 2003 |
| Evénement | Proceedings of the International Conference on Physics and Astrophysics of Quark-Gluon Plasma - Part II - Jaipur, Inde Durée: 26 nov. 2001 → 30 nov. 2001 |
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