Abstract
The NA60 experiment collected data on dimuon production in indium-indium collisions at 158 GeV/c per incident nucleon, in year 2003, to contribute to the clarification of several questions raised by previous experiments studying high-energy heavy-ion physics at the CERN SPS in search of the quark gluon plasma. Among these previous results stands the observation, by NA50, that the production yield of J/ψ mesons is suppressed in central Pb-Pb collisions beyond the normal nuclear absorption defined by proton-nucleus data. By comparing the centrality dependence of the suppression pattern between different colliding systems, S-U, Pb-Pb and In-In, we should be able to identify the corresponding scaling variable, and the physics mechanism driving the suppression. In this paper, we will present the ratio of J/ψ and Drell-Yan production cross-sections in indium-indium collisions, in three centrality bins, and how these values compare to previous measurements. We will also present a study of the transverse momentum distributions of the J/ψ mesons, in seven centrality bins.
Original language | English |
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Title of host publication | QCD@WORK 2005 |
Subtitle of host publication | International Workshop on Quantum Chromodynamics: Theory and Experiment |
Pages | 279-285 |
Number of pages | 7 |
DOIs | |
Publication status | Published - 2006 Jan 12 |
Externally published | Yes |
Event | QCD@WORK 2005: International Workshop on Quantum Chromodynamics: Theory and Experiment - Conversano, Bari, Italy Duration: 2005 Jun 16 → 2005 Jun 20 |
Publication series
Name | AIP Conference Proceedings |
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Volume | 806 |
ISSN (Print) | 0094-243X |
ISSN (Electronic) | 1551-7616 |
Other
Other | QCD@WORK 2005: International Workshop on Quantum Chromodynamics: Theory and Experiment |
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Country/Territory | Italy |
City | Conversano, Bari |
Period | 05/6/16 → 05/6/20 |
Keywords
- Dimuon
- J/psi
- Quark-gluon plasma
- Resonance
- Transverse momentum
ASJC Scopus subject areas
- Physics and Astronomy(all)