J/$\psi$, $\psi'$ and Drell-Yan production in S-U interactions at 200 GeV per nucleon

M C. Abreu , J. Astruc (1) , C. Baglin (2) , A. Baldit (3) , M. Bedjidian (4) , P. Bordalo , A. Bohrani (5) , A. Bussiere (2) , Pierre Busson (5) , J. Castor (3) , T. Chambon (3) , C. Charlot (5) , B. Chaurand (5) , I. Chevrot (3) , D. Contardo (4) , E. Descroix (4) , A. Devaux (3) , O. Drapier (4) , B. Espagnon (3) , J. Fargeix (3) , R. Ferreira , F. Fleuret , P. Force (3) , J. Gago , C. Gerschel (1) , P. Gorodetzky (6) , J.-Y. Grossiord (7) , A. Guichard (4) , J.P. Guillaud (2) , R. Haroutunian (4) , D. Jouan (1) , L. Kluberg (5) , R. Kossakowski (2) , G. Landaud (3) , C. Lourenco , L. Luquin (3) , R. Mandry (4) , S. Mourgues (3) , F. Ohlsson-Malek (4) , S. Papillon , J.-R. Pizzi (4) , C. Racca (6) , S. Ramos , A. Romana (5) , B. Ronceux (2) , P. Saturnini (3) , S. Silva , P. Sonderegger , X. Tarrago (1) , J. Varela

1 IPNO - Institut de Physique Nucléaire d'Orsay
2 LAPP - Laboratoire d'Annecy de Physique des Particules
3 LPC - Laboratoire de Physique Corpusculaire - Clermont-Ferrand
4 IPNL - Institut de Physique Nucléaire de Lyon
5 LLR - Laboratoire Leprince-Ringuet
6 IReS - Institut de Recherches Subatomiques
7 ALICE

A detailed study of \jpsi, \psip\ and Drell-Yan production in S-U collisions has been performed by experiment NA38 at the CERN SPS. This paper presents production cross sections and their centrality dependence, based on the largest sample of S-U events collected by the experiment.

Domaines: Physique des Hautes Energies - Phénoménologie [hep-ph]

M C. Abreu, J. Astruc, C. Baglin, A. Baldit, M. Bedjidian, et al.. J/$\psi$, $\psi'$ and Drell-Yan production in S-U interactions at 200 GeV per nucleon. Physics Letters B, 1999, 449, pp.128-136. ⟨10.1016/S0370-2693(99)00057-X⟩. ⟨in2p3-00002434⟩