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J/ψ and ψ' nuclear absorption in p–A and S–U collisions at the CERN/SPS

We present preliminary NA50 results on J/$\psi$ and $\psi'$ production by 400 GeV/c incident protons on various targets. Production cross sections are determined for each p-target system. Their dependence on the target mass number A is studied using a Glauber model. The data obtained by experim...

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Published in:Journal of physics. G, Nuclear and particle physics Nuclear and particle physics, 2004-08, Vol.30 (8), p.S1351-1354
Main Authors: Borges, G, Collaboration, the NA50
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Language:English
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creator Borges, G
Collaboration, the NA50
description We present preliminary NA50 results on J/$\psi$ and $\psi'$ production by 400 GeV/c incident protons on various targets. Production cross sections are determined for each p-target system. Their dependence on the target mass number A is studied using a Glauber model. The data obtained by experiment NA38 from S–U interactions at 200 GeV/nucleon incident momentum are also re-analysed which, together with our most recent 400 GeV and previous 450 GeV proton–nucleus results, lead to the J/$\psi$ absorption cross section in nuclear matter. We finally determine the expected 'normal' J/$\psi$ production in 158 GeV/nucleon Pb–Pb collisions as a function of centrality.
doi_str_mv 10.1088/0954-3899/30/8/125
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source Institute of Physics:Jisc Collections:IOP Publishing Read and Publish 2024-2025 (Reading List)
subjects Exact sciences and technology
High Energy Physics - Experiment
Nuclear physics
Physics
The physics of elementary particles and fields
title J/ψ and ψ' nuclear absorption in p–A and S–U collisions at the CERN/SPS
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