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Charged particle multiplicities in π-1, K- and {Mathematical expression} interactions with nuclei at 40 GeV/c

  • E. G. Boos
  • , A. M. Mosienko
  • , N. A. Pokrovsky
  • , H. Bärwolf
  • , G. Bohm
  • , U. Gensch
  • , P. Kostka
  • , W. Lohmann
  • , T. Naumann
  • , H. Roloff
  • , Spiering
  • , E. Denes
  • , L. Diosy
  • , T. Gemesy
  • , L. Jenik
  • , J. Krasnovszky
  • , Gy Pinter
  • , I. Wagner
  • , A. V. Bannikov
  • , J. Böhm
  • Ya V. Grishkevich, B. A. Khomenko, N. N. Khovanskij, Z. V. Krumstein, Yu P. Merekov, V. I. Petrukhin, K. Safarik, G. A. Shelkov, L. G. Tkachev, L. S. Vertogradov, S. Valkar, P. Zavada, L. L. Gabunina, E. Sh Ioramishvili, A. B. Ivanova, A. K. Javrishvili, A. I. Kharchilava, T. A. Lomtadze, E. S. Mailjan, L. A. Razdolskaja, L. B. Shalamberidze, L. D. Tchikovani, W. Dominik, J. Gajewski, J. A. Zakrzewski
  • Institute for High Energy Physics of National Research Centre ‘Kurchatov Institute’
  • Institute for High Energy Physics
  • Wigner Research Centre for Physics
  • Joint Institute for Nuclear Research
  • Charles University
  • Institute of Physics of the Academy of Science
  • University of Warsaw

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Interactions of 40 GeV/c πp-, K- and {Mathematical expression} on Li, C, S, Cu, CsI and Pb were studied with the RISK-streamer chamber spectrometer. We present multiplicities of negatively charged particles, as well as of protons, and the correlations between them. The normalized mean multiplicity of negative particles, R-, depends on {Mathematical expression}, the average number of inelastic collisions as {Mathematical expression}. The dependence of the normalized dispersion of negative particles, D-/<N->, on the number of protons favours independent collision models and contradicts the coherent tube picture. The excess of fast positive particles behaves as A0.4 and shows, for the heavier nuclei, a clear correlation with identified protons.

Original languageEnglish
Pages (from-to)43-52
Number of pages10
JournalZeitschrift fur Physik C-Particles and Fields
Volume26
Issue number1
DOIs
StatePublished - Mar 1984

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