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Results on leptonic probes from NA50

  • L. Ramello
  • , B. Alessandro
  • , C. Alexa
  • , R. Arnaldi
  • , M. Atayan
  • , C. Baglin
  • , A. Baldit
  • , M. Bedjidian
  • , S. Beolè
  • , V. Boldea
  • , P. Bordalo
  • , S. R. Borenstein
  • , G. Borges
  • , A. Bussière
  • , L. Capelli
  • , C. Castanier
  • , J. Castor
  • , B. Chaurand
  • , B. Cheynis
  • , E. Chiavassa
  • C. Cicalò, T. Claudino, M. P. Comets, S. Constantinescu, P. Cortese, J. Cruz, A. Defalco, N. Demarco, G. Dellacasa, A. Devaux, S. Dita, O. Drapier, 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, S. Ramos, P. Rato Mendes, L. Riccati, A. Romana, H. Santos, P. Saturnini, E. Scalas, E. Scomparin, S. Serci, R. Shahoyan, F. Sigaudo, M. Sitta, P. Sonderegger, X. Tarrago, N. S. Topilskaya, G. L. Usai, E. Vercellin, L. Villatte, N. Willis, T. Wu
  • Laboratory of Molecular Pathology
  • University of Turin
  • IFA
  • Yerevan Physics Institute
  • Laboratoire de Physique des Particules
  • Université Blaise Pascal
  • Centre national de la recherche scientifique
  • LIP - Lisboa
  • Instituto Superior Técnico
  • York College/The City University of New York
  • Universitá di Cagliari
  • Université Paris-Saclay
  • Institute for Nuclear Research of the Russian Academy of Sciences
  • European Organization for Nuclear Research
  • Agh University of Science and Technology Faculty of Computer Science
  • Rua São Francisco de Xavier

Research output: Contribution to journalArticlepeer-review

44 Citations (Scopus)

Abstract

The NA50 Collaboration has performed a new measurement of the J/ψ yield in Pb-Pb collisions at 158 GeV/nucleon in improved experimental conditions. Our preliminary analysis of the year 2000 data sample, while confirming the onset of anomalous suppression and the non saturation of the J/ψ/Drell-Yan cross-section ratio, shows that peripheral Pb-Pb interactions follow the normal nuclear absorption pattern, which has in turn been established more precisely thanks to high statistics p-A data.

Original languageEnglish
Pages (from-to)243c-251c
JournalNuclear Physics A
Volume715
DOIs
Publication statusPublished - 10 Mar 2003

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