Published July 10, 1989 | Version v1
Journal article

Dimuon production in collisions of proton, oxygen and sulfur ions on heavy targets at 200 GeV/nucleon; J/Ψ production, π and K distributions

  • 1. Institut National de Physique Nucleaire et de Physique des Particules, 69 - Villeurbanne (France). Inst. de Physique Nucleaire
  • 2. Lyon-1 Univ., 69 - Villeurbanne (France). Inst. de Physique Nucleaire
  • 3. LIP, Lisbon (Portugal)
  • 4. Grenoble-1 Univ., 74 - Annecy (France). Lab. de Physique des Particules
  • 5. Institut National de Physique Nucleaire et de Physique des Particules, 63 - Aubiere (France)
  • 6. Clermont-Ferrand-2 Univ., 63 - Aubiere (France). Lab. de Physique Corpusculaire
  • 7. Institut National de Physique Nucleaire et de Physique des Particules, 91 - Palaiseau (France)
  • 8. Ecole Polytechnique, 91 - Palaiseau (France). Lab. de Physique Nucleaire et des Hautes Energies
  • 9. Institut National de Physique Nucleaire et de Physique des Particules, 67 - Strasbourg (France)
  • 10. Strasbourg-1 Univ., 67 (France). Centre de Recherches Nucleaires
  • 11. Consejo Superior de Investigaciones Cientificas, Valencia (Spain). Inst. de Fisica Corpuscular
  • 12. Institut National de Physique Nucleaire et de Physique des Particules, 91 - Orsay (France)
  • 13. Paris-11 Univ., 91 - Orsay (France). Inst. de Physique Nucleaire
  • 14. European Organization for Nuclear Research, Geneva (Switzerland)

Description

The dimuon production in 200 GeV/nucleon O-U, O-Cu, S-U and p-U reactions is studied in function of transverse energy ET produced by the collision. The J/Ψ production relative to continuum events is suppressed for heavy ion induced reactions when ET increases. This suppression is enhanced at low transverse momentum. The π and K meson distributions extracted from the data, have, for each reaction, a similar average transverse momentum which increases only slightly with the transverse energy. (orig.)

Additional details

Publishing Information

Journal Title
Nuclear Physics, A
Journal Volume
498
Series
Nucl. Phys., A.
Journal Page Range
249c-260c
ISSN
0375-9474
CODEN
NUPAB

Conference

Title
7. international conference on ultra-relativistic nucleus-nucleus collisions (Quark Matter '88).
Dates
26-30 Sep 1988.
Place
Lenox, MA (USA).

Optional Information

Collaborations
NA-38 Collaboration.