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

  • T. Åkesson
  • , S. Almehed
  • , A. L.S. Angelis
  • , N. Armenise
  • , H. Atherton
  • , P. Aubry
  • , H. W. Bartels
  • , G. Beaudoin
  • , J. M. Beaulieu
  • , H. Beker
  • , O. Benary
  • , D. Bettoni
  • , V. Bisi
  • , I. Blevis
  • , H. Bøggild
  • , W. Cleland
  • , M. Clemen
  • , B. Collick
  • , F. Corriveau
  • , S. Dagan
  • K. Dederichs, S. Dell'Uomo, P. Depommier, R. C.E. Devenish, S. Di Liberto, N. DiGiacomo, J. R. Dodd, B. Dolgoshein, A. Drees, H. En'yo, B. Erlandsson, M. J. Esten, C. W. Fabjan, P. Fischer, Z. Fraenkel, A. Gaidot, F. Gibrat-Debu, P. Giubellino, P. Glässel, U. Goerlach, R. Haglund, L. A. Hamel, H. van Hecke, V. Hedberg, R. Heifetz, A. Hölscher, B. Jacak, G. Jarlskog, S. Johansson, H. Kraner, V. Kroh, F. Lamarche, C. Leroy, D. Lissauer, G. London, B. Lörstad, A. Lounis, F. Martelli, M. Masera, A. Marzari-Chiesa, M. A. Mazzoni, E. Mazzucato, M. L. McCubbin, N. A. McCubbin, P. McGaughey, F. Meddi, U. Mjörnmark, M. T. Muciaccia, S. Muraviev, M. Murray, M. Neubert, S. Nilsson, L. Olsen, Y. Oren, J. P. Pansart, Y. M. Park, A. Pfeiffer, F. Piuz, V. Polychronakos, G. Poulard, M. Price, D. Rahm, L. Ramello, L. Riccati, G. Romano, G. Rosa, L. Sandor, J. Schukraft, M. Sekimoto, B. Sellden, M. Seman, A. Shmeleva, V. Sidorov, S. Simone, Y. Sirois, H. Sletten, S. Smirnov, J. Soltani, W. Sondheim, H. J. Specht, E. Stern, I. Stumer, J. Sunier, V. Tcherniatin, H. H. Thodberg, J. Thompson, V. Tikhomirov, I. Tserruya, G. Vasseur, R. Veenhof, R. Wigmans, P. Yepes
  • European Organization for Nuclear Research
  • Stockholm University
  • University College London
  • Università degli studi di Bari Aldo Moro
  • Universite de Montreal
  • University of Heidelberg
  • Tel Aviv University
  • University of Turin
  • Weizmann Institute of Science Israel
  • University of Pittsburgh
  • McGill University
  • Sezione di Roma
  • MST-8, Los Alamos National Laboratory
  • National Research Nuclear University MEPhI
  • Institut Pierre Simon Laplace, CNRS and CEA
  • Lund University
  • Brookhaven National Laboratory
  • CCLRC Rutherford Appleton Laboratory
  • P.N. Lebedev Physical Institute of the Russian Academy of Sciences
  • University of Salerno
  • Budker Institute of Nuclear Physics of the Siberian Branch of the RAS

Résultats de recherche: Contribution à un journalArticleRevue par des pairs

Résumé

We present measurements of the rapidity and transverse-momentum distributions of the protons emitted in S+W, O+W, and p+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 for p+W is much steeper than for O+W and S+W. The rapidity density for p+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.

langue originaleAnglais
Pages (de - à)183-191
Nombre de pages9
journalZeitschrift fur Physik C-Particles and Fields
Volume53
Numéro de publication2
Les DOIs
étatPublié - 1 janv. 1992
Modification externeOui

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