1989
DOI: 10.1016/0370-2693(89)90905-2
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The production of in 200 GeV/nucleon oxygen-uranium interactions

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Cited by 200 publications
(44 citation statements)
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“…Once it is fixed, we have to check that the collision geometry (the measured relation between E T and the number of spectator nucleons, the measured E T -distribution) is correctly reproduced [52]. When this is assured, we can check if the J/ψ production in O−Cu, O−U and S−U, as measured by the NA38 experiment at CERN over the past ten years [100,104], shows anything beyond the expected pre-resonance nuclear absorption with the cross section σ ccg−N = 6.9 ± 1.1 mb determined from p − A interactions. The answer is clearly negative, as seen in Fig.…”
Section: Pre-resonance Suppressionmentioning
confidence: 99%
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“…Once it is fixed, we have to check that the collision geometry (the measured relation between E T and the number of spectator nucleons, the measured E T -distribution) is correctly reproduced [52]. When this is assured, we can check if the J/ψ production in O−Cu, O−U and S−U, as measured by the NA38 experiment at CERN over the past ten years [100,104], shows anything beyond the expected pre-resonance nuclear absorption with the cross section σ ccg−N = 6.9 ± 1.1 mb determined from p − A interactions. The answer is clearly negative, as seen in Fig.…”
Section: Pre-resonance Suppressionmentioning
confidence: 99%
“…The traversed medium of nucleus A is parametrized through a Woods-Saxon density distribution ρ A (z), and by comparing S A ccg with data for different targets A, the dissociation cross section for ccg − N interactions is found to be [103] σ ccg−N = 6.9 ± 1.1 mb. Figure 32: J/ψ and ψ production in nuclear collisions, compared to pre-resonance absorption in nuclear matter [100,104].…”
Section: Pre-resonance Suppressionmentioning
confidence: 99%
“…The suppression of J/ψ production was observed quite early in the CERN heavy ion program [26]; but it was soon noted that it occurs as well already in p-A collisions (see Fig. 2), where it inceases with increasing A [27]- [29].…”
Section: Charmonium Suppressionmentioning
confidence: 99%
“…Their, by now wellknown, idea is that the Debye screening of the gluon exchanges will make the binding of heavy quarks into the bound states impossible or unlikely once a sufficiently high temperature is reached. The lack of quarkonium states would thus signal deconfinement; this effect was indeed observed and studied in detail at CERN SPS by the NA38 [2] and NA50 Collaborations [3]. The results on J/ψ production at RHIC have recently been presented by the PHENIX Collaboration [4].…”
mentioning
confidence: 91%