Transverse momentum distribution of J/ψ
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M.C. Abreu; C. Alexa; B. Alessandro; J. Astruc; R. Arnaldi; M. Atayan; C. Baglin
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Article
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1999
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Elsevier Science
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English
⚖ 280 KB
The production of dimuon in Pb-Pb collisions at 158 GeV/c per nucleon has been measured at the CERN SPS in experiment NA50. An anomalous suppression of J/¢ production cross section has been observed in comparison with the value expected from the results obtained in proton and light ion induced react