Transverse momentum and transverse mass distributions of mesons produced in p-A and Pb-Pb interactions at the CERN SPS

  • A. B. Kurepin
  • , B. Alessandro
  • , C. Alexa
  • , R. Arnaldi
  • , M. Atayan
  • , C. Baglin
  • , A. Baldit
  • , M. Bedjidian
  • , S. Beolè
  • , V. Boldea
  • , P. Bordalo
  • , S. R. Borenstein
  • , G. Borges
  • , A. Bussière
  • , L. Capelli
  • , C. Castanier
  • , J. Castor
  • , B. Chaurand
  • , B. Cheynis
  • , E. Chiavassa
  • C. Cicalò, T. Claudino, M. P. Comets, S. Constantinescu, Pietro CORTESE, J. Cruz, A. De Falco, N. De Marco, G. Dellacasa, A. Devaux, S. Dita, O. Drapier, B. Espagnon, J. Fargeix, P. Force, M. Gallio, Y. K. Gavrilov, C. Gerschel, P. Giubellino, M. B. Golubeva, M. Gonin, A. A. Grigorian, S. Grigorian, J. Y. Grossiord, F. F. Guber, A. Guichard, H. Gulkanyan, R. Hakobyan, R. Haroutunian, M. Idzik, D. Jouan, T. L. Karavitcheva, L. Kluberg, A. B. Kurepin, Y. Le Bornec, C. Lourenço, P. Macciotta, M. Mac Cormick, A. Marzari Chiesa, M. Masera, A. Masoni, M. Monteno, A. Musso, P. Petiau, A. Piccotti, J. R. Pizzi, W. L. Prado da Silva, F. Prino, G. Puddu, C. Quintans, Luciano RAMELLO, S. Ramos, P. Rato Mendes, L. Riccati, A. Romana, H. Santos, P. Saturnini, E. Scalas, E. Scomparin, S. Serci, R. Shahoyan, F. Sigaudo, Mario SITTA, P. Sonderegger, X. Tarrago, N. S. Topilskaya, G. L. Usai, E. Vercellin, L. Villatte, N. Willis, T. Wu

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

We present a study of the transverse momentum and transverse mass of J/11,mesons pro- duced in nucleus-nucleus and p-nucleus reactions. They include the most recent data col- lected by the NA50 experiment in Pb-Pb and p-A reactions at 158 GeV/c and 400 GeV/c incident momentum respectively. Together with S-U results previously published by ex- periment NA38, the mean squared transverse momentum of J/Psi mesons exhibit a scaling behaiiour which could result from initial state parton interaction. However, for the most central Pb-Pb collisions a saturation effect is observed as a function of centrality.
Lingua originaleInglese
pagine (da-a)C249-C252
Numero di pagine4
RivistaNuclear Physics A
Volume721
DOI
Stato di pubblicazionePubblicato - 2003

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