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Proton distributions in the target fragmentation region in proton-nucleus and nucleus-nucleus collisions at high energies

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Zeitschrift für Physik C Particles and Fields

Abstract

We present measurements of the rapidity and transverse-momentum distributions of the protons emitted in S+W, O+W, andp+W reactions at 200 GeV/A around the target rapidity (y=1). The rapidity density rises linearly with the transverse energy for all three systems, but the slope forp+W is much steeper than for O+W and S+W. The rapidity density forp+W is much higher than predicted by summing single nucleonnucleon collisions without any nuclear effects, indicating substantial rescattering of the produced particles. The predictions of the VENUS 3 model, including rescattering, show reasonable agreement with the data for all three systems. We do not have evidence for a strong collective flow of the outgoing particles.

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Author information

Author notes

  1. D. Lissauer

    Present address: Tel Aviv University, Israel

  2. D. Bettoni (Visitors at CERN from)

    Present address: Syracuse University, Syracuse, NY, USA

  3. H. Bøggild (Visitors at CERN from)

    Present address: Niels Bohr Institute, Copenhagen, Denmark

  4. K. Dederichs (Visitors at CERN from)

    Present address: University of Munich, FRG

  5. R. C. E. Devenish (Visitors at CERN from)

    Present address: Oxford University, UK

  6. M. Sekimoto (Visitors at CERN from)

    Present address: Institute of Nuclear Study, Tokyo, Japan

  7. M. Seman (Visitors at CERN from)

    Present address: Slovak Academy of Sciences, Kosice, Czechoslovakia

  8. R. Veenhof (Visitors at CERN from) & R. Wigmans (Visitors at CERN from)

    Present address: NIKHEF-H, Amsterdam, The Netherlands

Authors and Affiliations

  1. University of Bari and INFN, Bari, Italy

    N. Armenise, M. T. Muciaccia & S. Simone

  2. Brookhaven National Laboratory, Upton, NY, USA

    H. Kraner, D. Lissauer, L. Olsen, V. Polychronakos, D. Rahm & I. Stumer

  3. CERN, Geneva, Switzerland

    T. Åkesson, H. Atherton, H. Beker, D. Bettoni (Visitors at CERN from), H. Bøggild (Visitors at CERN from), K. Dederichs (Visitors at CERN from), R. C. E. Devenish (Visitors at CERN from), H. En'yo, C. W. Fabjan, V. Hedberg, M. A. Mazzoni, F. Piuz, G. Poulard, M. Price, L. Sandor, J. Schukraft, M. Sekimoto (Visitors at CERN from), M. Seman (Visitors at CERN from), H. Sletten, H. H. Thodberg, R. Veenhof (Visitors at CERN from) & R. Wigmans (Visitors at CERN from)

  4. Heidelberg University, Heidelberg, Federal Republic of Germany

    H. W. Bartels, A. Drees, P. Fischer, P. Glässel, U. Goerlach, A. Hölscher, V. Kroh, M. Neubert, A. Pfeiffer, J. Soltani & H. J. Specht

  5. Los Alamos National Laboratory, Los Alamos, NM, USA

    N. DiGiacomo, H. van Hecke, B. Jacak, P. McGaughey, W. Sondheim & J. Sunier

  6. Lund University, Lund, Sweden

    R. Haglund, G. Jarlskog, S. Johansson, B. Lörstad & U. Mjörnmark

  7. McGill University, Montreal, Canada

    F. Corriveau, L. A. Hamel, F. Lamarche, C. Leroy, E. Mazzucato, Y. Sirois & P. Yepes

  8. University of Montreal, Montreal, Canada

    P. Aubry, G. Beaudoin, J. M. Beaulieu, P. Depommier & A. Lounis

  9. Lebedev Physics Institute, Moscow, USSR

    S. Muraviev, A. Shmeleva & V. Tikhomirov

  10. Physics Engineering Institute, Moscow, USSR

    B. Dolgoshein, S. Smirnov & V. Tcherniatin

  11. Institute Nuclear Physics, Novosibirsk, USSR

    V. Sidorov

  12. University of Pittsburgh, Pittsburgh, PA, USA

    W. Cleland, M. Clemen, B. Collick, M. Murray, Y. M. Park, E. Stern & J. Thompson

  13. University of Rome and INFN, Rome, Italy

    S. Dell'Uomo, S. Di Liberto, F. Meddi & G. Rosa

  14. Rutherford Appleton Laboratory, Didcot, UK

    N. A. McCubbin

  15. DPhPE, CEN-Saclay, Gif-sur-Yvette, France

    A. Gaidot, F. Gibrat-Debu, G. London, J. P. Pansart & G. Vasseur

  16. University of Salerno and INFN, Salerno, Italy

    G. Romano

  17. Stockholm University, Stockholm, Sweden

    S. Almehed, B. Erlandsson, S. Nilsson & B. Sellden

  18. Tel Aviv University, Israel

    O. Benary, S. Dagan, R. Heifetz & Y. Oren

  19. University of Turin and INFN, Turin, Italy

    V. Bisi, P. Giubellino, F. Martelli, M. Masera, A. Marzari-Chiesa, L. Ramello & L. Riccati

  20. University College, London, UK

    A. L. S. Angelis, J. R. Dodd, M. J. Esten & M. L. McCubbin

  21. Weizmann Institute, Rehovot, Israel

    I. Blevis, Z. Fraenkel & I. Tserruya

Authors
  1. T. Åkesson
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  2. S. Almehed
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  3. A. L. S. Angelis
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  4. N. Armenise
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  5. H. Atherton
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  6. P. Aubry
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  7. H. W. Bartels
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  8. G. Beaudoin
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  9. J. M. Beaulieu
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  10. H. Beker
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  11. O. Benary
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  12. D. Bettoni
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  13. V. Bisi
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  14. I. Blevis
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  15. H. Bøggild
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  16. W. Cleland
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  17. M. Clemen
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  18. B. Collick
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  20. S. Dagan
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  22. S. Dell'Uomo
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  23. P. Depommier
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  25. S. Di Liberto
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  26. N. DiGiacomo
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  27. J. R. Dodd
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  28. B. Dolgoshein
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  29. A. Drees
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  36. A. Gaidot
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  37. F. Gibrat-Debu
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HELIOS Collaboration., Åkesson, T., Almehed, S. et al. Proton distributions in the target fragmentation region in proton-nucleus and nucleus-nucleus collisions at high energies. Z. Phys. C - Particles and Fields 53, 183–191 (1992). https://doi.org/10.1007/BF01597554

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  • DOI: https://doi.org/10.1007/BF01597554

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