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Quarkonium production and suppression in Pb+Pb and p+A collisions at SPS energies

Nuclear Physics A, ISSN: 0375-9474, Vol: 774, Issue: 1-4, Page: 59-66
2006
  • 12
    Citations
  • 0
    Usage
  • 2
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    12
    • Citation Indexes
      12
  • Captures
    2

Article Description

We present the results on charmonium production as measured by experiment NA50 at the CERN-SPS in p+A and Pb+Pb collisions. The J/ ψ / Drell-Yan and ψ′ / Drell-Yan cross-section ratios as a function of centrality are obtained from Pb+Pb data samples collected at 158 GeV per nucleon in the 1998 run and, under improved experimental conditions, in 2000. The recent very high precision NA50 proton-nucleus results allow to determine the J/ ψ nuclear absorption only from proton induced reactions, and to calculate the expected J/ ψ yield in Pb+Pb collisions at 158 GeV. The J/ ψ expected production obtained in this way is compared to the NA50 results in Pb+Pb collisions, as well as to the NA38 results for S+U reactions.

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