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Two- and three-dimensional analysis of bose-einstein correlations inπ +/K+p interactions at 250 GeV/c

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Zeitschrift für Physik C Particles and Fields

Abstract

The NA22 data onπ − π − correlations are analyzed in terms of a number of two- and three-dimensional parametrizations (Gaussian space-time, Goldhaber, Bowler string-like, Bertsch hydrodynamical, Kopylov-Podgoretskii, etc.). Contrary to the results obtained for e+e− andµp collisions, the Goldhaber parametrization, as well as string-like models, fail in describing the hadron-hadron data. Better fits are obtained in the framework of surface-emitting fireball-like models, both when including and excluding hydrodynamical expansion of nuclear matter. Our results indicate that pion radiation occurs at earlier stages of matter evolution than in nuclear collisions.

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Author information

Author notes

  1. M. Charlet

    Present address: DESY, Hamburg

  2. A. G. Tomaradze

    Present address: UIA, Wilrijk, Belgium

Authors and Affiliations

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

    E. A. De Wolf & F. Verbeure

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

    K. Dziunikowska, D. Kisielewska & K. Olkiewicz

  3. Nuclear Physics Institute, Moscow State University, RU-119899, Moscow, Russia

    F. K. Rizatdinova, E. K. Shabalina, L. N. Smirnova, L. A. Tikhonova & S. A. Zotkin

  4. High Energy Physics Institute (HEFIN), University of Nijmegen/NIKHEF, NL-6525 ED, Nijmegen, The Netherlands

    M. Charlet, J. Czyżewski & W. Kittel

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

    A. M. F. Endler & E. C. Oliveira

  6. Institute for High Energy Physics of Tbilisi State University, GE-380086, Tbilisi, Georgia

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

  7. Institute of Physics, AM-375036, Yerevan, Armenia

    N. M. Agababyan, M. R. Atayan, H. R. Gulkanyan, R. Sh. Hakobyan, J. K. Karamyan & S. S. Mehrabyan

  8. Onderzoeksleider NFWO, Belgium

    E. A. De Wolf

Authors
  1. N. M. Agababyan
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  2. M. R. Atayan
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  3. M. Charlet
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  4. J. Czyżewski
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  5. E. A. De Wolf
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  6. K. Dziunikowska
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  7. A. M. F. Endler
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  8. Z. Sh. Garutchava
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  9. H. R. Gulkanyan
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  10. R. Sh. Hakobyan
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  11. J. K. Karamyan
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  12. D. Kisielewska
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  13. W. Kittel
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  14. S. S. Mehrabyan
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  15. Z. V. Metreveli
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  16. E. C. Oliveira
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  17. K. Olkiewicz
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  18. F. K. Rizatdinova
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  19. E. K. Shabalina
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  20. L. N. Smirnova
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  21. M. D. Tabidze
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  22. L. A. Tikhonova
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  23. A. V. Tkabladze
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  24. A. G. Tomaradze
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  26. S. A. Zotkin
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EHS/NA22 Collaboration

Additional information

Kun Fellow from the Jagellonian University, Krakow, and Fellow of the Polish Science Foundation (FNP) scholarship for the year 1996

Supported by the Polish State Committee for Scientific Research

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EHS/NA22 Collaboration., Agababyan, N.M., Atayan, M.R. et al. Two- and three-dimensional analysis of bose-einstein correlations inπ +/K+p interactions at 250 GeV/c . Z. Phys. C - Particles and Fields 71, 405–414 (1996). https://doi.org/10.1007/BF02906999

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  • DOI: https://doi.org/10.1007/BF02906999

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