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

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer 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.
Lingua originaleInglese
pagine (da-a)167-172
Numero di pagine6
RivistaTHE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
Volume43
Numero di pubblicazione1-4
DOI
Stato di pubblicazionePubblicato - 1 gen 2005

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