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Inclusive negative particle p spectra in p-nucleus and nucleus-nucleus collisions at 200 GeV per nucleon

  • 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. Di Giacomo, J. R. Dodd, B. Dogolshein, 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, A. Marzari-Chiesa, M. Masera, 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. Prioe, D. Rahm, I. Ramello, I. 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, I. Stumer, S. 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
  • Lund 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
  • Stockholm University
  • Institut Pierre Simon Laplace, CNRS and CEA
  • 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

Research output: Contribution to journalArticlepeer-review

58 Citations (Scopus)

Abstract

The HELIOS experiment has measured inclusive p spectra of negative particles in the rapidity region 1.0<y<1.9. The general shape of the p spectra in p +W, O+W and S+W is similar, but cannot be described by a single exponential. Compared to p+p collisions, an excess is observed for low and high p. This effect increases with the projectile mass. Except for very low E, the average transverse momentum <p> is found to be approximately constant up to the highest accessible values of E.

Original languageEnglish
Pages (from-to)361-367
Number of pages7
JournalZeitschrift fur Physik C-Particles and Fields
Volume46
Issue number3
DOIs
Publication statusPublished - 1 Jan 1990
Externally publishedYes

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