Abstract
The dimuon production in 200 GeV/nucleon oxygen-uranium interactions is studied by the NA 38 Collaboration. The production ofJ/ψ, correlated with the transverse energyET, is investigated and compared to the continuum, as a function of the dimuon massM and transverse momentumPT. A value of 0.64±0.06 is found for the ratio (ψ/Continuum at highET)/(ψ/Continuum at lowET), from which theJ/ψ relative suppression can be extracted. This suppression is enhanced at lowPT.
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NA 38 Collaboration., Abreu, M.C., Alimi, M. et al. The production ofJ/ψ in 200 GeV/A oxygen-uranium interactions. Z. Phys. C - Particles and Fields 38, 117–124 (1988). https://doi.org/10.1007/BF01574524
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DOI: https://doi.org/10.1007/BF01574524