Pseudorapidity distributions of charged particles as a function of centrality in Pb-Pb collisions at 158 and 40 GeV per nucleon incident energy

  • M. C. Abreu
  • , B. Alessandro
  • , C. Alexa
  • , R. Arnaldi
  • , M. Atayan
  • , C. Baglin
  • , A. Baldit
  • , M. Bedjidian
  • , S. Beolè
  • , V. Boldea
  • , P. Bordalo
  • , G. Borges
  • , A. Bussière
  • , L. Capelli
  • , C. Castanier
  • , J. Castor
  • , B. Chaurand
  • , I. Chevrot
  • , B. Cheynis
  • , E. Chiavassa
  • C. Cicalò, T. Claudino, M. P. Comets, N. Constans, S. Constantinescu, P. Cortese, A. De Falco, N. De Marco, G. Dellacasa, A. Devaux, S. Dita, O. Drapier, L. Ducroux, B. Espagnon, J. Fargeix, P. Force, M. Gallio, Y. K. Gavrilov, C. Gerschel, P. Giubellino, M. B. Golubeva, M. Gonin, A. A. Grigorian, S. Grigorian, J. Y. Grossiord, F. F. Guber, A. Guichard, H. Gulkanyan, R. Hakobyan, R. Haroutunian, M. Idzik, D. Jouan, T. L. Karavitcheva, L. Kluberg, A. B. Kurepin, Y. Le Bornec, C. Lourenço, P. Macciotta, M. Mac Cormick, A. Marzari-Chiesa, M. Masera, A. Masoni, M. Monteno, A. Musso, P. Petiau, A. Piccotti, J. R. Pizzi, W. L. Prado da Silva, F. Prino, G. Puddu, C. Quintans, L. Ramello, S. Ramos, P. Rato Mendes, L. Riccati, A. Romana, H. Santos, P. Saturnini, E. Scalas, E. Scomparin, S. Serci, R. Shahoyan, F. Sigaudo, S. Silva, M. Sitta, P. Sonderegger, X. Tarrago, N. S. Topilskaya, G. L. Usai, E. Vercellin, L. Villatte, N. Willis

Research output: Contribution to journalArticlepeer-review

Abstract

The charged particle distributions dNch/dη have been measured by the NA50 experiment in Pb-Pb collisions at the CERN SPS. Measurements have been done at incident energies of 158 and 40 GeV per nucleon over a broad impact parameter range. Results obtained with two independent centrality estimators, namely the neutral transverse energy ET and the forward energy EZDC, are reported.

Original languageEnglish
Pages (from-to)33-42
Number of pages10
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume530
Issue number1-4
DOIs
Publication statusPublished - 28 Mar 2002

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