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Cross sections and charged multiplicity distributions for π+ p,K + p andpp interactions at 250 GeV/c

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Zeitschrift für Physik C Particles and Fields

Abstract

Cross sections and charged multiplicity distributions for π+ p,K + p andpp interactions at 250 GeV/c are presented and compared to each other as well as to earlier (for π+ p andK + p lower energy) data. Consistently, the meson-proton (M + p) data have narrower multiplicity distributions and higher average multiplicity thanpp data. Up to our energy, generalized KNO functions describe the energy dependence of the shape of the multiplity distribution with one parameter forM + p and one forpp collisions. If interpreted in terms of negative binomials, the parameter 1/k tends to be slightly lower forM + p than forpp data. For both types of hadron-hadron collision, 1/k is larger than fore + e − andlp collisions.

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Author information

Author notes

  1. A. De Roeck & M. Van Immerseel

    Present address: University of Warsaw and Institute of Nuclear Problems, PL-00681, Warsaw, Poland

  2. D. Toet

    Present address: Onderzoeker I.I.K.W., Brussels, Belgium

  3. F. Verbeure

    Present address: Univ. Instelling Antwerpen, Wilrijk, Belgium

  4. A. B. Michałowska

    Present address: Univ. Inst. Antwerpen, Wilrijk, Belgium

  5. A. Stergiou

    Present address: AGFA-Gevaert, Mortsel, Belgium

  6. P. Theocharopoulos

    Present address: SETE S.A., Geneve, Switzerland

  7. R. Brun

    Present address: Wild, Heerbrugg, Switzerland

Authors and Affiliations

  1. III. Physikalisches Institut B, RWTH, D-5100, Aachen, Federal Republic of Germany

    U. Bellgardt, H. Graessler, P. Schmitz, W. Schmitz & W. Struczinski

  2. Institut für Hochenergiephysik der Akademie der Wissenschaften der DDR, DDR-1615, Berlin-Zeuthen

    H. Boettcher, W. Friebel, T. Naumann, H. E. Roloff & R. Wischnewski

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

    A. De Roeck, P. Theocharopoulos, M. Van Immerseel & F. Verbeure

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

    R. T. A. Lauhakangas, H. M. T. Saarikko & Y. T. M. 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, A. B. Michałowska & K. Olkiewicz

  6. Moscow State University, SU-117234, Moscow, USSR

    V. G. Gavrjusev, I. V. Gorelov & S. A. Zotkin

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

    F. Crijns, P. van Hal, W. Kittel, M. Loos, F. Meijers, L. Scholten & A. Stergiou

  8. Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Brazil

    A. M. F. Endler & L. C. S. Oliverira

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

    I. V. Ajinenko, Yu. A. Belokopytov, P. V. Chliapnikov, V. P. Falaleev, E. P. Kistenev, A. I. Kurnosenko, V. I. Nikolaenko, L. P. Petrovykh, A. M. Rybin, E. A. Startchenko, O. G. Tchikilev & A. P. Vorobjev

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

    M. Adamus, H. Białkowska, J. Stepaniak & A. Wróblewski

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

    N. M. Agababyan & J. K. Karamyan

  12. NIKHEF-H, NL-1009 DB, Amsterdam, The Netherlands

    D. Toet

  13. CERN, CH-1211, Geneva 23, Switzerland

    R. Brun

  14. Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria

    J. Hrubec & G. Neuhofer

Authors
  1. M. Adamus
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  2. N. M. Agababyan
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  3. I. V. Ajinenko
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  4. U. Bellgardt
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  5. Yu. A. Belokopytov
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  6. H. Białkowska
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  7. H. Boettcher
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  8. R. Brun
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  9. P. V. Chliapnikov
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  10. F. Crijns
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  11. A. De Roeck
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  12. K. Dziunikowska
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  13. A. M. F. Endler
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  17. V. G. Gavrjusev
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  18. I. V. Gorelov
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  20. P. van Hal
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  22. J. K. Karamyan
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  25. W. Kittel
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  26. A. I. Kurnosenko
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  27. R. T. A. Lauhakangas
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  28. M. Loos
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  30. A. B. Michałowska
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  31. T. Naumann
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  32. G. Neuhofer
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  33. V. I. Nikolaenko
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  34. L. C. S. Oliverira
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  36. L. P. Petrovykh
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  37. H. E. Roloff
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  38. A. M. Rybin
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  39. H. M. T. Saarikko
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  40. Y. T. M. Saarikko
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  41. P. Schmitz
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  42. W. Schmitz
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  43. L. Scholten
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  44. E. A. Startchenko
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  45. J. Stepaniak
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  46. A. Stergiou
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  47. W. Struczinski
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  48. O. G. Tchikilev
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  49. P. Theocharopoulos
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  50. D. Toet
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  51. M. Van Immerseel
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  52. F. Verbeure
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  53. A. P. Vorobjev
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  54. R. Wischnewski
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  55. A. Wróblewski
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  56. S. A. Zotkin
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NA22 Collaboration., Adamus, M., Agababyan, N.M. et al. Cross sections and charged multiplicity distributions for π+ p,K + p andpp interactions at 250 GeV/c. Z. Phys. C - Particles and Fields 32, 475–489 (1986). https://doi.org/10.1007/BF01550769

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  • DOI: https://doi.org/10.1007/BF01550769

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