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Negative binomials and multiplicity distributions in 250 GeV/cK + and π+ interactions on Al and Au nuclei

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Zeitschrift für Physik C Particles and Fields

Abstract

The negative binomial distribution (NBD) is fitted to all charged and to negative particle multiplicity distributions in restricted rapidity intervals, both in the forward and backward c.m. hemispheres of positive meson interactions on Al and Au nuclei. For negative particle multiplicity distributions, the NBD parameters are also determined as a function ofn g, the number of grey tracks, corresponding to varying number of intranuclear collisions. The data are interpreted in terms of the clan picture of Giovannini and Van Hove and compared to the MCMHA and Fritiof models. Both models reproduce quite well the global multiplicity distributions, but not when sub-samples are considered with fixed number of grey tracks. Regularities are better visible on the parton than on the particle level.

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Author information

Author notes

  1. A. De Roeck

    Present address: Onderzoeker IIKW, Brussels, Belgium

  2. D. A. De Wolf

    Present address: Bevoegdverklaard Navorser NFWO, Belgium

  3. P. van Hal

    Present address: Ericsson Telecommunicatie B.V., Rijen, The Netherlands

  4. T. Haupt

    Present address: Institute of Nuclear Physics, Cracow, Poland

  5. F. Meijers

    Present address: CERN, Geneva, Switzerland

  6. L. Scholten

    Present address: Pandata, Rijswijk, The Netherlands

Authors and Affiliations

  1. Inter-University Institute for High Energies, B-1050, Brussels, Belgium

    M. Charlet, A. De Roeck, D. A. De Wolf, A. B. Michałowska & F. Verbeure

  2. Department of Physics, Universitaire Instelling Antwerpen, B-2610, Wilrijk, Belgium

    M. Charlet, A. De Roeck, D. A. De Wolf, A. B. Michałowska & F. Verbeure

  3. Institut für Hochenergiephysik der Akademie der Wissenschaften der DDR, DDR-1615, Berlin-Zeuthen, German Democratic Republic

    H. Boettcher & R. Wischnewski

  4. Department of High Energy Physics, University of Helsinki, SF-00170, Helsinki, Finland

    R. Pöllänen & H. M. T. Saarikko

  5. Institute of Physics and Nuclear Techniques of the Academy of Mining and Metallurgy and Institute of Nuclear Physics, PL-30055, Krakow, Poland

    K. Dziunikowska, A. Eskreys, D. Kisielewska, B. Machowski & K. Olkiewicz

  6. Moscow State University, SU-119899, Moscow, USSR

    Y. A. Golubkov, B. B. Levchenko & L. N. Smirnova

  7. University of Nijmegen and NIKHEF-H, NL-6525 ED, Nijmegen, The Netherlands

    F. Botterweck, F. Crijns, P. van Hal, T. Haupt, W. Kittel, F. Meijers & L. Scholten

  8. Centro Brasileiro de Pesquisas Fisicas, BR-22290, Rio de Janeiro, Brazil

    A. M. F. Endler

  9. Institute for High Energy Physics, SU-142284, Serpukhov, USSR

    I. V. Ajinenko, Yu. A. Belokopytov, P. V. Chliapnikov, V. I. Nikolaenko, V. M. Ronjin, A. M. Rybin, O. G. Tchikilev & V. A. Uvarov

  10. Institute of High Energy Physics, Tbilisi State University, SU-380086, Tbilisi, USSR

    Z. C. Garutchava

  11. University of Warsaw and Institute of Nuclear Problems, PL-00681, Warsaw, Poland

    H. Bialkowska

  12. Institute of Physics, SU-375036, Yerevan, USSR

    G. R. Gulkanyan & R. Sh. Hakobyan

Authors
  1. I. V. Ajinenko
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  2. Yu. A. Belokopytov
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  3. H. Bialkowska
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  4. H. Boettcher
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  5. F. Botterweck
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  6. M. Charlet
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  7. P. V. Chliapnikov
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  8. F. Crijns
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  9. A. De Roeck
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  10. D. A. De Wolf
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  11. K. Dziunikowska
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  12. A. M. F. Endler
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  13. A. Eskreys
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  14. Z. C. Garutchava
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  15. Y. A. Golubkov
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  16. G. R. Gulkanyan
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  17. P. van Hal
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  18. R. Sh. Hakobyan
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  19. T. Haupt
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  20. W. Kittel
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  21. D. Kisielewska
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  22. B. B. Levchenko
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  23. B. Machowski
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  24. F. Meijers
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  25. A. B. Michałowska
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  26. V. I. Nikolaenko
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  27. K. Olkiewicz
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  28. R. Pöllänen
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  29. V. M. Ronjin
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  30. A. M. Rybin
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  31. H. M. T. Saarikko
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  32. L. Scholten
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  33. L. N. Smirnova
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  34. O. G. Tchikilev
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  35. V. A. Uvarov
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  36. F. Verbeure
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  37. R. Wischnewski
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Consortia

EHS-NA22 Collaboration

Additional information

Partially supported by grants from CPBP 01.06 and 01.09

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EHS-NA22 Collaboration., Ajinenko, I.V., Belokopytov, Y.A. et al. Negative binomials and multiplicity distributions in 250 GeV/cK + and π+ interactions on Al and Au nuclei. Z. Phys. C - Particles and Fields 46, 569–582 (1990). https://doi.org/10.1007/BF01560258

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  • DOI: https://doi.org/10.1007/BF01560258

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