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Study of theω π + system

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Zeitschrift für Physik C Particles and Fields

Abstract

The mass spectra of theω π 0 system, produced inπ − p charge-exchange reactions at 38 GeV/c and 100 GeV/c, show a new neutral state with a mass of 2200±20 MeV and a width of 260±50 MeV. Likeρ 3(1690), this meson,X(2200), is produced through one-pion-exchange.X(2200)J PC is likely 1−−. It might be a 23 D 1 radial-orbital excitation ofρ 0. Its production cross section falls with energy quadratically, in agreement with one-pion-exchange. The cross sections forb 1(1235) andρ 3(1690) production have also been measured; their energy dependences have been determined.

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Author notes

  1. C. Bricman & J. P. Stroot

    Present address: CERN, CH-1211, Geneva 23, Switzerland

Authors and Affiliations

  1. Institute for High Energy Physics, 142 284, Protvino, Russia

    S. V. Donskov, A. V. Inyakin, V. A. Kachanov, G. V. Khaustov, A. V. Kulik, G. L. Landsberg, A. A. Lednev, S. A. Polovnikov, Yu. D. Prokoshkin, S. A. Sadovsky, V. D. Samoylenko, P. M. Shagin, A. V. Shtannikov, A. V. Singovsky & V. P. Sugonyaev

  2. Institut Interuniversitaire des Sciences Nucléaires, B-1050, Brussels, Belgium

    C. Bricman & J. P. Stroot

  3. Los Alamos National Laboratory, 87544, Los Alamos, NM, USA

    A. Alde & E. A. Knapp

  4. Laboratoire d'Annecy de Physique des Particules, F-74019, Annecy-le-Vieux, France

    B. Bencheikh, E. G. Chikovani, M. Gouanère, J. P. Peigneux & M. Poulet

  5. National Laboratory for High Energy Physics (KEK), Tsukuba, Ibaraki 305, Japan

    S. Inaba, M. Kobayashi, K. Takamatsu & T. Tsuru

  6. Institute of High Energy Physics, Tbilisi State University, Georgia

    E. G. Chikovani & M. D. Tabidze

  7. Université Libre de Bruxelles, CP 229, B-1050, Brussels, Belgium

    F. G. Binon

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

    M. Boutemeur

  9. Miyazaki University, 889-21, Miyazaki, Japan

    T. Nakamura

Authors
  1. A. Alde
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  2. B. Bencheikh
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  3. F. G. Binon
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  4. M. Boutemeur
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  5. C. Bricman
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  6. E. G. Chikovani
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  7. S. V. Donskov
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  8. M. Gouanère
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  9. S. Inaba
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  10. A. V. Inyakin
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  11. V. A. Kachanov
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  12. G. V. Khaustov
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  13. E. A. Knapp
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  14. M. Kobayashi
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  15. A. V. Kulik
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  16. G. L. Landsberg
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  17. A. A. Lednev
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  18. T. Nakamura
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  19. J. P. Peigneux
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  20. S. A. Polovnikov
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  21. M. Poulet
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  22. Yu. D. Prokoshkin
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  23. S. A. Sadovsky
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  24. V. D. Samoylenko
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  25. P. M. Shagin
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  26. A. V. Shtannikov
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  27. A. V. Singovsky
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  28. J. P. Stroot
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  29. V. P. Sugonyaev
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  30. M. D. Tabidze
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  31. K. Takamatsu
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  32. T. Tsuru
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Consortia

IHEP Collaboration (Joint CERN-IHEP experiment)

IISN Collaboration (Joint CERN-IHEP experiment)

LANL Collaboration (Joint CERN-IHEP experiment)

LAPP Collaboration (Joint CERN-IHEP experiment)

KEK Collaboration (Joint CERN-IHEP experiment)

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IHEP Collaboration (Joint CERN-IHEP experiment)., IISN Collaboration (Joint CERN-IHEP experiment)., LANL Collaboration (Joint CERN-IHEP experiment). et al. Study of theω π + system. Z. Phys. C - Particles and Fields 54, 553–557 (1992). https://doi.org/10.1007/BF01559478

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  • DOI: https://doi.org/10.1007/BF01559478

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