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Study off o (995) resonance in the π0π0 decay channel

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

Abstract

A high-statistics study of the π0π0-system produced in the π- p→π0π0 n reaction at 38GeV/c has been carried out at the IHEP accelerator using the GAMS-2000 multiphoton spectrometer. A partial-wave analysis which includesS, D 0, D− andD + waves has been performed in the |t|-range up to 1 (GeV/c)2. TheS */f 0(980) resonance is seen as a dip in theS-wave amplitude at small |t|. A distinct peak with a mass of 997±5MeV and a width of 48±10MeV is observed in theS-wave at |t|>0.3 (GeV/c)2. The production cross sections are measured.

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Author notes

  1. F. G. Binon

    Present address: Université Libre de Bruxelles, CP229, B-1050, Brussels, Belgium

  2. M. Boutemeur & C. Bricman

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

  3. G. L. Landsberg & J. P. Stroot

    Present address: SUNY at Stony Brook, 11794-3800, NY, USA

Authors and Affiliations

  1. Institute for High Energy Physics, 142284, Protvino, Russia

    S. V. Donskov, A. V. Inyakin, V. A. Kachanov, G. V. Khaustov, A. A. Kondashov, A. V. Kulik, G. L. Landsberg, A. A. Lednev, V. A. Lishin, S. A. Polovnikov, V. A. Polyakov, 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

    F. G. Binon, C. Bricman & J. P. Stroot

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

    D. Alde & E. A. Knapp

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

    M. Gouanère, J. P. Peigneux & M. Poulet

  5. Laboratoire de Physique Nucléaire, Université de Montréal, H3C, 3J7, Montréal, Canada

    M. Boutemeur

Authors
  1. D. Alde
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  2. F. G. Binon
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  3. M. Boutemeur
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  4. C. Bricman
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  5. S. V. Donskov
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  6. M. Gouanère
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  7. A. V. Inyakin
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  8. V. A. Kachanov
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  9. G. V. Khaustov
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  10. E. A. Knapp
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  11. A. A. Kondashov
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  12. A. V. Kulik
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  13. G. L. Landsberg
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  14. A. A. Lednev
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  15. V. A. Lishin
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  16. J. P. Peigneux
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  17. S. A. Polovnikov
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  18. V. A. Polyakov
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  19. M. Poulet
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  20. Yu. D. Prokoshkin
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  21. S. A. Sadovsky
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  24. A. V. Shtannikov
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  25. A. V. Singovsky
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  26. J. P. Stroot
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  27. V. P. Sugonyaev
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GAMS Collaboration (Joint CERN-IHEP experiment)

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GAMS Collaboration (Joint CERN-IHEP experiment)., Alde, D., Binon, F.G. et al. Study off o (995) resonance in the π0π0 decay channel. Z. Phys. C - Particles and Fields 66, 375–378 (1995). https://doi.org/10.1007/BF01556362

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  • DOI: https://doi.org/10.1007/BF01556362

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