J/psi production in Indium-Indium collisions

R Arnaldi, R Averbeck, K Banicz, J Castor, B Chaurand, C Cicalo, A Colla, Pietro CORTESE, S Damjanovic, A David, Falco A de, A Devaux, A Drees, L Ducroux, H En'yo, A Ferretti, M Floris, P Force, N Guettet, A GuichardH Gulkanian, J Heuser, M Keil, L Kluberg, J Lozano, C Lourenco, F Manso, A Masoni, P Martins, A Neves, H Ohnishi, C Oppedisano, P Parracho, P Pillot, G Puddu, E Radermacher, P Ramalhete, P Rosinsky, E Scomparin, J Seixas, S Serci, R Shahoyan, P Sonderegger, HJ Specht, R Tieulent, G Usai, R Veenhof, HK Wohri

Research output: Contribution to journalArticlepeer-review

Abstract

The study of dilepton production in heavy-ion collisions at the CERN SPS provided some of the most interesting observations done so far in the search for the quark gluon plasma. However, several aspects of the understanding of these measurements need to be clarified. For example, the study of the J/psi production in different colliding systems should help to disentangle which is the variable driving the J/psi suppression. The NA60 experiment, with a new radiation tolerant Silicon pixel detector, studied Indium-Indium interactions in the year 2003. In this paper, we present the J/psi DY ratio, integrated over all the centralities of the collisions, together with a first study of the J/psi transverse momentum and polarization.
Original languageEnglish
Pages (from-to)167-172
Number of pages6
JournalTHE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
Volume43
Issue number1-4
DOIs
Publication statusPublished - 1 Jan 2005

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