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The A dependence of fast-particle spectra in π +, K +, and p interactions with Al and Au targets at 250 GeV/c

  • Elementary Particles and Fields
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Abstract

The A dependence of charged-particle spectra in π +, K +, and p interactions with Al and Au targets at 250 GeV/c are presented and compared to predictions of the Quark-Gluon String Model (QGSM). It is shown that the A dependence of invariant inclusive charged-particle spectra on the Feynman variable x is very weak between Al and Au targets. The QGSM shows a larger difference between fast-particle spectra for both Al and Au targets and different beam particles. The QGSM prediction for the leading-particle spectrum over an energy range from 250 GeV to 10 TeV in pAu(Pb) reactions is in a reasonable agreement with the results of NA22 data and a cosmic-ray experiment.

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Authors and Affiliations

  1. Institute of Physics, Yerevan, Armenia

    N. M. Agababyan, M. R. Atayan, G. R. Gulkanyan, R. Sh. Hakobyan & S. S. Mehrabyan

  2. Department of Physics, Universitaire Instelling Antwerpen, Wilrijk, Belgium

    E. A. De Wolf & F. Verbeure

  3. Department of Physics and Nuclear Techniques of the Academy of Mining and Metallurgy and the Institute of Nuclear Physics, Krakow, Poland

    K. Dziunikowska, D. Kisielewska & K. Olkiewicz

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

    A. M. F. Endler

  5. Institute for High Energy Physics of Tbilisi State University, Georgia

    Z. Sh. Garutchava, Z. V. Metreveli, M. D. Tabidze, A. V. Tkabladze & A. G. Tomaradze

  6. High Energy Physics Institute Nijmegen (HEFIN), University of Nijmegen/NIKHEF, the Netherlands

    W. Kittel

  7. Institute of Nuclear Physics, Moscow State University, Russia

    F. K. Rizatdinova, N. A. Sotnikova, L. N. Smirnova, L. G. Sveshnikova, L. A. Tikhonova, Sh. M. Yandarbiev & S. A. Zotkin

Authors
  1. N. M. Agababyan
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  2. M. R. Atayan
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  3. E. A. De Wolf
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  4. K. Dziunikowska
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  5. A. M. F. Endler
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  6. Z. Sh. Garutchava
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  7. G. R. Gulkanyan
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  8. R. Sh. Hakobyan
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  9. D. Kisielewska
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  10. W. Kittel
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  11. S. S. Mehrabyan
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  12. Z. V. Metreveli
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  13. K. Olkiewicz
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  14. F. K. Rizatdinova
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  15. N. A. Sotnikova
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  16. L. N. Smirnova
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  17. L. G. Sveshnikova
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  18. M. D. Tabidze
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  19. L. A. Tikhonova
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  20. A. V. Tkabladze
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  21. A. G. Tomaradze
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  22. F. Verbeure
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  23. Sh. M. Yandarbiev
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  24. S. A. Zotkin
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Additional information

From Yadernaya Fizika, Vol. 66, No. 1, 2003, pp. 116–124.

Original English Text Copyright © 2003 by Agababyan, Atayan, De Wolf, Dziunikowska, Endler, Garutchava, Gulkanyan, Hakobyan, Kisielewska, Kittel, Mehrabyan, Metreveli, Olkiewicz, Rizatdinova, Sotnikova, Smirnova, Sveshnikova, Tabidze, Tikhonova, Tkabladze, Tomaradze, Verbeure, Yandarbiev, Zotkin.

The authors represent the EHS/NA22 Collaboration

This article was submitted by the authors in English.

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Agababyan, N.M., Atayan, M.R., De Wolf, E.A. et al. The A dependence of fast-particle spectra in π +, K +, and p interactions with Al and Au targets at 250 GeV/c . Phys. Atom. Nuclei 66, 114–122 (2003). https://doi.org/10.1134/1.1540665

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  • DOI: https://doi.org/10.1134/1.1540665

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