Abstract:
We study anomalous J/Ψ suppression and p t broadening in the model of prompt gluons. The anomalous suppression can be successfully described in this model. The transverse-momentum dependence of J/Ψ suppression in relativistic heavy-ion collisions is calculated from initial-state gluon rescattering with both nucleons and prompt gluons produced in nucleon-nucleon collisions in the early phase of the reaction. It seems impossible to describe simultaneously anomalous suppression and p t broadening in Pb-Pb collisions within the model of prompt gluons with reasonable values of the parameters.
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Received: 27 September 2001 / Accepted: 12 November 2002 / Published online: 17 January 2003
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ID="a"e-mail: zhuangpf@mail.singhua.edu.cn
Communicated by A. Molinari
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Zhuang, P., Hüfner, J. Transverse-momentum distribution of J/Ψ's in Pb-Pb collisions and gluon rescattering. Eur Phys J A 16, 63–69 (2003). https://doi.org/10.1140/epja/i2001-10271-3
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DOI: https://doi.org/10.1140/epja/i2001-10271-3