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Study of the energy flow in sulphur-and oxygen-nucleus collisions at 60 and 200 GeV/nucleon

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Zeitschrift für Physik C Particles and Fields

Abstract

We report on a systematic study of midrapidity transverse energy production and forward energy flow in interactions of16O and32S projectiles with S, Cu, Ag and Au targets at 60 and 200 GeV/nucleon. The variation of the shape of theE T distributions with target and projectile mass can be understood from collision geometry. AverageE T values determined for central collisions show an increasing stopping power for heavier target nuclei. A higher relative stopping is observed at 60 GeV/nucleon than at 200 GeV/nucleon. Bjorken estimates of the energy density reach approximately 3 GeV/fm3 in highE T events at 200 GeV/nucleon with16O and32S projectiles. The systematics of the data and the shapes ofE T and pseudorapidity distributions are well described by the Lund model Fritiof.

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Author notes

  1. T. Humanic

    Present address: Physics Dept., University of Pittsburg, USA

  2. G. Vesztergombi

    Present address: Central Research Institute of Physics, Budapest, Hungary

Authors and Affiliations

  1. Department of Physics, University of Athens, Athens, Greece

    A. Karabarbounis, A. D. Panagiotou, A. Petridis & G. Vasileiadis

  2. Dipartimento di Fisica, Università di Bari and INFN Bari, Bari, Italy

    C. Favuzzi, E. Nappi, F. Posa & P. Spinelli

  3. Lawrence Berkeley Laboratory, Berkeley, CA, USA

    S. I. Chase, J. W. Harris, G. Odyniec, H. G. Pugh, G. Rai, L. S. Schroeder, L. Teitelbaum, M. Tincknell & S. Tonse

  4. CERN, Geneva, Switzerland

    J. Pfennig

  5. Institute of Nuclear Physics, Cracow, Poland

    J. Bartke & E. Gladysz

  6. Gesellschaft für Schwerionenforschung (GSI), Darmstadt, Federal Republic of Germany

    R. Bock, R. Brockmann, B. Fleischmann, P. Foka, M. Fuchs, C. Guerra, T. Humanic, G. Paic & A. Sandoval

  7. Fachbereich Physik der Universität, Frankfurt, Federal Republic of Germany

    J. Eschke, W. Heck, S. Kabana, J. Kosiec, A. Kühmichel, M. Lahanas, J. Y. Lee, M. LeVine, S. Margetis, R. Renfordt, D. Röhrich, G. Roland, H. Rothard, E. Schmidt, I. Schneider, R. Stock, H. Ströbele, A. Thomas & S. Wenig

  8. Fakultät für Physik der Universität, Freiburg, Federal Republic of Germany

    J. Bächler, M. Hoffmann, K. Runge & E. Schmoetten

  9. Fachbereich Physik der Universität, Marburg, Federal Republic of Germany

    R. Keidel, A. Piper & F. Pühlhofer

  10. Max-Planck-Institut für Physik, München, Federal Republic of Germany

    I. Derado, V. Eckardt, H. J. Gebauer, M. Kowalski, W. Rauch, N. Schmitz, P. Seyboth, J. Seyerlein & G. Vesztergombi

  11. Institute for Experimental Physics, University of Warsaw, Warsaw, Poland

    M. Gazdzicki & E. Skrzypczak

  12. Institute for Nuclear Studies, Warsaw, Poland

    H. Bialkowska

  13. Rudjer Boskovic Institute, Zagreb, Yugoslavia

    P. Buncic, D. Ferenc, K. Kadija, A. Ljubicic Jr., G. Paic & D. Vranic

  14. Department of Physics, Brookhaven National Laboratory, Upton, NY, USA

    M. LeVine

Authors
  1. J. Bächler
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  2. J. Bartke
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  3. H. Bialkowska
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  4. R. Bock
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  5. R. Brockmann
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  6. P. Buncic
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  7. S. I. Chase
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  8. I. Derado
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  9. V. Eckardt
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  10. J. Eschke
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  11. C. Favuzzi
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  12. D. Ferenc
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  13. B. Fleischmann
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  14. P. Foka
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  15. M. Fuchs
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  16. M. Gazdzicki
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  18. E. Gladysz
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  19. C. Guerra
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  20. J. W. Harris
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  21. W. Heck
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  22. M. Hoffmann
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  23. T. Humanic
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  24. S. Kabana
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  25. K. Kadija
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  26. A. Karabarbounis
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  27. R. Keidel
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  28. J. Kosiec
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  29. M. Kowalski
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  30. A. Kühmichel
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  31. M. Lahanas
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  32. J. Y. Lee
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  33. M. LeVine
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  34. A. Ljubicic Jr.
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  35. S. Margetis
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  36. E. Nappi
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  37. G. Odyniec
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  38. G. Paic
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  39. A. D. Panagiotou
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  40. A. Petridis
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  41. J. Pfennig
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  42. A. Piper
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  43. F. Posa
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  54. E. Schmidt
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  56. E. Schmoetten
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  71. D. Vranic
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NA35 Collaboration., Bächler, J., Bartke, J. et al. Study of the energy flow in sulphur-and oxygen-nucleus collisions at 60 and 200 GeV/nucleon. Z. Phys. C - Particles and Fields 52, 239–263 (1991). https://doi.org/10.1007/BF01560442

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  • DOI: https://doi.org/10.1007/BF01560442

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