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Could J/ψ suppression in heavy ion collisions be a higher-twist effect?

✍ Scribed by J.L. Alonso; J.L. Cortés; B. Pire


Book ID
113356675
Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
318 KB
Volume
228
Category
Article
ISSN
0370-2693

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The anomalous suppression of J/~b production in Pb-Pb collisions at 158A GeV observed by the NA50 Collaboration can be explained as due to the occurrence of a new phase of strong J/¢ absorption, which sets in when the local energy density exceeds about 3.4 GeV/fm 3. The peculiar behavior of the ¢//¢