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Study of Φ and f2(1270) meson polarization atp T ≥2 GeV/c in π- interactions at CERN SPS

  • Experimental Physics
  • Published:
Zeitschrift für Physik C Particles and Fields

Abstract

We present the analysis of data samples taken by the WA77 experiment for π- interactions at 300 and 150 GeV/c. The trigger selects a pair of oppositely charged particles withp T ≥2 GeV/c balancing the transverse momentum of a third high-p T track. The primary aim of this experiment was the search for higher-twist production, mainly that of vector mesons. Since there are definite predictions for the polarization of mesons produced in fragmentation and through the higher-twist mechanism, we study the polarization properties of clearly identified mesons, namely the Φ and f2(1270) mesons. The results are compatible with no polarization. This can be interpreted as a production dominantly due to parton fragmentation.

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Authors and Affiliations

  1. Nuclear Physics Department, Athens University, Athens, Greece

    A. Belogianni, M. Stassinaki, G. Vassiliadis & I. Vichou

  2. Laboratoire de Physique Corpusculaire, Collège de France-IN2P3, Paris, France

    M. Benayoun, J. Kahane, Ph. Leruste, A. Malamant, J. L. Narjoux, M. Sené, R. Sené & A. Volte

  3. Physics Department, University of Birmingham, Birmingham, U.K.

    I. J. Bloodworth, J. N. Carney, J. B. Kinson, M. T. Trainor, O. Villalobos Baillie & M. F. Votruba

  4. Dipartimento di Fisica dell'Università and Sezione INFN, Bari, Italy

    D. Di Bari, D. Elia, R. Fini, B. Ghidini, A. Jacholkowski, V. Lenti, V. Manzari & F. Navach

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

    B. R. French, A. Kirk, K. Knudson, E. Quercigh & K. Satarik

  6. Laboratory of Nuclear Problems, JINR, Dubna, Russia

    Z. V. Krumstein & Yu. P. Merekov

  7. LINHE, Universités de Paris VI et VII, Paris, France

    Z. Zitoun

Authors
  1. A. Belogianni
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  2. M. Benayoun
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  3. I. J. Bloodworth
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  4. J. N. Carney
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  5. D. Di Bari
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  6. D. Elia
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  7. R. Fini
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  8. B. R. French
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  9. B. Ghidini
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  10. A. Jacholkowski
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  11. J. Kahane
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  12. J. B. Kinson
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  13. A. Kirk
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  14. K. Knudson
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  15. Z. V. Krumstein
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  16. V. Lenti
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  17. Ph. Leruste
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  18. A. Malamant
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  19. V. Manzari
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  20. Yu. P. Merekov
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  21. J. L. Narjoux
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  22. F. Navach
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  23. E. Quercigh
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  24. K. Satarik
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  25. M. Sené
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  26. R. Sené
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  27. M. Stassinaki
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  28. M. T. Trainor
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  29. G. Vassiliadis
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  30. I. Vichou
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  31. O. Villalobos Baillie
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  32. A. Volte
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  33. M. F. Votruba
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  34. Z. Zitoun
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WA77 Collaboration

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WA77 Collaboration., Belogianni, A., Benayoun, M. et al. Study of Φ and f2(1270) meson polarization atp T ≥2 GeV/c in π- interactions at CERN SPS. Z. Phys. C - Particles and Fields 64, 15–20 (1994). https://doi.org/10.1007/BF01557230

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  • DOI: https://doi.org/10.1007/BF01557230

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