EUROPEAN LABORATORY FOR PARTICLE PHYSICS

Bruno Alessandro,C. Alexa,R. Arnaldi,M. Atayan,V. Boldea,P. Bordalo,G. Borges,J. Castor,B. Chaurand,B. Cheynis,E. Chiavassa,C Cical,S. Constantinescu,P. Cortese,A. De Falco,N. De Marco,Giuseppe Dellacasa,A. Devaux,S. Dita,O. Drapier,J. Fargeix,P. Force,M. Gallio,C. Gerschel,P. Giubellino,M. Gonin,A. Grigoryan,A. Guichard,H. Gulkanyan,M. Idzik,D. Jouan,L. Kluberg,C. Louren,M. Mac Cormick,A. Marzari Chiesa,M. Masera,A. Masoni,M. Monteno,A. Musso,P. Petiau,A. Piccotti,F. Prino,G. Puddu,C. Quintans,L. Ramello,S. Ramos,L. Riccati,A. Romana,H. Santos,P. Saturnini,E. Scomparin,S. Serci,R. Shahoyan,M. Sitta,P. Sonderegger,X. Tarrago,Ermanno Vercellin,L. Villatte,N. Willis

EUROPEAN LABORATORY FOR PARTICLE PHYSICS

2006

production is studied in Pb-Pb collisions at 158 GeV/c per nucleon in- cident momentum. Absolute cross-sections are measured and production rates are investigated as a function of the centrality of the collision. The results are compared with those obtained for lighter colliding systems and also for the J/ meson produced under identical conditions.

Keywords:

Particle physics
Centrality
Meson
Nuclear physics
Nucleon
Momentum
Physics
Collision

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