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Results on charmed meson decay from the WA82 experiment at the CERN omega spectrometer

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Il Nuovo Cimento A (1965-1970)

Summary

The WA82 experiment has collected data with the Ω′ spectrometer at the CERN SPS. Its aim was a high-statistics study of charm hadroproduction, using a silicon microstrip vertex detector and a trigger on impact parameter. WA82 is also studying rare decay modes for charm. Latest results on non-leptonic charmed meson decay branching ratios are presented here, including the study of doubly Cabibbo-suppressed modes for D+. This analysis, using the particle identification provided by a Ring Imaging CHerenkov detector (RICH), gives an indication for a new decay mode, D+→K-K+K+. An upper limit for the D+→K+π-π+ mode branching ratio is also obtained.

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Authors and Affiliations

  1. Dipartimento di Fisica and INFN, Sezione di Bologna, Bologna, Italy

    A. Forino, R. Gessaroli, P. Mazzanti & A. Quareni

  2. CERN, European Organization for Nuclear Research, Geneva, Switzerland

    F. Antinori, W. Beusch, M. Davenport, J. P. Dufey, B. R. French, K. Harrison, A. Jacholkowski, A. Kirk, E. Lamanna, J. C. Lassalle, N. Radaelli, C. Roda & M. Weymann

  3. Dipartimento di Fisica and INFN, Sezione di Genova, Genova, Italy

    D. Barberis, V. Casanova, M. Dameri, R. Hurst, F. Muller, B. Osculati, L. Rossi & G. Tomasini

  4. Université de Mons-Hainaut and IISN, Mons, Belgium

    A. Buys, F. Grard & P. Legros

  5. Lebedev Physical Institute, Moscow, Russia

    M. Adamovich, Y. Alexandrov, P. Netchaeva & M. Zavertyaev

Authors
  1. M. Adamovich
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  2. Y. Alexandrov
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  3. F. Antinori
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  4. D. Barberis
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  5. W. Beusch
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  6. A. Buys
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  7. V. Casanova
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  8. M. Dameri
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  9. M. Davenport
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  10. J. P. Dufey
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  11. A. Forino
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  12. B. R. French
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  13. R. Gessaroli
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  14. F. Grard
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  15. K. Harrison
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  16. R. Hurst
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  17. A. Jacholkowski
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  18. A. Kirk
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  19. E. Lamanna
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  20. J. C. Lassalle
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  21. P. Legros
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  22. P. Mazzanti
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  23. F. Muller
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  24. P. Netchaeva
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  25. B. Osculati
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  26. A. Quareni
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  27. N. Radaelli
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  28. C. Roda
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  29. L. Rossi
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  30. G. Tomasini
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  31. M. Weymann
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  32. M. Zavertyaev
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Consortia

The WA82 Collaboration

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The WA82 Collaboration., Adamovich, M., Alexandrov, Y. et al. Results on charmed meson decay from the WA82 experiment at the CERN omega spectrometer. Nuov Cim A 107, 1953–1958 (1994). https://doi.org/10.1007/BF02823589

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  • DOI: https://doi.org/10.1007/BF02823589

PACS 13.20.Fc

PACS 13.25

PACS 01.30.Cc

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