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Energy and quantum number flow inK + p and π+ p interactions at 32 and 70 GeV/c

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Zeitschrift für Physik C Particles and Fields

Abstract

Energy, charge and strangeness flow inK + p interactions at 32 and 70 GeV/c, and π+ p interactions at 32 GeV/c are studied in terms of the angular variable λ=|x|/p T. The data ondQ/dλ anddE/dλ show only a weak indication of scale breaking between 32 and 70 GeV/c. For inclusive “non-diffractive”, inclusive “diffractive” and exclusive “non-diffractive” jets, the fraction of charge in any angular region ΔΩ away from the central region is found to be proportional to the energy fraction in the same interval. The data ondQ/dE versus λ are compatible with some versions of dual-sheet models and agree also with the LUND Monte-Carlo model. The data are also compared with\(v(\bar v)p\) interactions in BEBC. In exclusive channels the average ratiodQ/dS=0.78±0.04 is consistent, in the framework of fragmentation models, with a larger probability for the fragmentation of the\(\bar s\)-valence quark than theu-valence quark in theK +-meson.

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Author notes

  1. E. A. De Wolf

    Present address: Universitaire Instelling Antwerpen, Belgium

  2. S. Squarcia

    Present address: Genova University, Genova, Italy

Authors and Affiliations

  1. Inter-University Institute For High Energies (ULB-VUB), Brussels, Belgium

    M. Barth, E. A. De Wolf, D. Johnson & P. Theocharopoulos

  2. CERN, European Organisation for Nuclear Research, Geneva, Switzerland

    H. Drevermann, Y. Goldschmidt-Clermont, R. T. Ross, M. Spyropoulou-Stassinaki & S. Squarcia

  3. Sezione INFN and Istituto di Scienze Fisiche, Genova, Italy

    C. Caso, R. Contri, F. Fontanelli, R. Monge & U. Trevisan

  4. Faculté de Sciences, Université de l'Etat, Mons, Belgium

    J. F. Baland, J. Beaufays, F. Grard & J. Hanton

  5. University of Nijmegen and NIKHEF, the Netherlands

    L. Gatignon, P. A. van der Poel, D. J. Schotanus, A. Stergiou & R. T. Van de Walle

  6. Institute for High Energy Physics, Serpukhov, USSR

    I. V. Ajinenko, Y. A. Belokopitov, P. V. Chliapnikov, A. B. Fenyuk, L. N. Gerdyukov, I. A. Gritsaenko, S. Gumenyuk, O. V. Kasian, V. M. Kubic, A. I. Kurnosenko, T. G. Makharadze, V. I. Nikolaenko, Y. L. Petrovikh, V. N. Riadovikov, V. M. Ronjin, A. M. Rybin, G. A. Sorokin, A. G. Tomaradze, V. A. Uvarov & A. P. Vorobjev

  7. Institute for High Energy Physics of Tbilisi State University, USSR

    N. Amaglobely, Ch. S. Chochiachvily & M. D. Tabidze

  8. Bevoegdverklaard Navorser NFWO, Belgium

    E. A. De Wolf

Authors
  1. I. V. Ajinenko
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  2. N. Amaglobely
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  3. J. F. Baland
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  4. M. Barth
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  5. Y. A. Belokopitov
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  6. J. Beaufays
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  7. C. Caso
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  8. P. V. Chliapnikov
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  9. Ch. S. Chochiachvily
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  10. R. Contri
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  13. A. B. Fenyuk
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  15. L. Gatignon
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  16. L. N. Gerdyukov
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  17. Y. Goldschmidt-Clermont
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  18. F. Grard
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  19. I. A. Gritsaenko
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  20. S. Gumenyuk
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  21. J. Hanton
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  22. D. Johnson
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  23. O. V. Kasian
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  24. V. M. Kubic
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  25. A. I. Kurnosenko
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  26. T. G. Makharadze
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  27. R. Monge
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  28. V. I. Nikolaenko
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  29. Y. L. Petrovikh
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  30. P. A. van der Poel
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  31. V. N. Riadovikov
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  32. V. M. Ronjin
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  33. R. T. Ross
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  34. A. M. Rybin
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  35. G. A. Sorokin
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  36. M. Spyropoulou-Stassinaki
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  37. S. Squarcia
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  38. M. D. Tabidze
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  39. A. G. Tomaradze
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  40. P. Theocharopoulos
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  41. U. Trevisan
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  42. D. J. Schotanus
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  43. A. Stergiou
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  44. V. A. Uvarov
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  45. A. P. Vorobjev
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  46. R. T. Van de Walle
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Consortia

CERN-USSR (Brussels-Serpukhov-Tbilisi) Collaboration

Additional information

Visitor from Tel-Aviv University, Tel-Aviv, Israel

Visitor from University of Athens, Athens, Greece

Participating under the terms of the 1967 agreement between CERN and the USSR State Committee for the Utilization of Atomic Energy

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CERN-USSR (Brussels-Serpukhov-Tbilisi) Collaboration., Ajinenko, I.V., Amaglobely, N. et al. Energy and quantum number flow inK + p and π+ p interactions at 32 and 70 GeV/c. Z. Phys. C - Particles and Fields 16, 291–300 (1983). https://doi.org/10.1007/BF01577096

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  • DOI: https://doi.org/10.1007/BF01577096

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