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Observation and study of a narrow state in aΣ −(1,385)K + system

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Zeitschrift für Physik C Particles and Fields

Abstract

New data on the observation and study of a narrow resonance decaying intoΣ −(1,385)K + have been obtained. The mass of the resonance is (1,956 +8−6 ) MeV/c2, and its width is (27±15) MeV/c2. The resonance is produced in the diffraction dissociation of neutrons on quasi-free nucleons of carbon nuclei. The slope parameter of the differential cross section inP 2 T is (9.9±3.0) (GeV/c)−2. The cross section times the branching ratio is (0.22±0.04) μb per nucleon. The resonance has one of the natural spinparities: 5/2+, 7/2− and so on.

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Authors and Affiliations

  1. Joint Institute for Nuclear Research, SU-141980, Dubna, USSR

    A. N. Aleev, V. A. Arefiev, V. P. Balandin, V. K. Birulev, A. S. Chvyrov, V. D. Cholakov, T. S. Grigalashvili, B. N. Gus'kov, I. M. Ivanchenko, N. N. Karpenko, D. A. Kirillov, I. G. Kosarev, V. R. Krastev, N. A. Kuz'min, B. A. Kulakov, M. F. Likhachev, A. L. Lyubimov, A. N. Maksimov, A. N. Morozov, A. V. Pose, L. V. Sil'vestrov, V. E. Simonov, L. A. Slepets, P. T. Todorov & R. K. Trayanov

  2. Institute of High Energy Physics, GDR Academy of Science, DDR-1615, Berlin-Zeuthen, German Democratic Republic

    K. Hiller, H. -E. Ryseck & H. Nowak

  3. Lebedev Institute of Physics, USSR Academy of Sciency, SU-117234, Moscow, USSR

    A. S. Belousov, A. M. Fomenko, E. I. Malynovsky, S. V. Rusakov, Yu. V. Soloviev, L. N. Shtarkov & Ya. A. Vazdyk

  4. Institute of Nuclear Physics, Moscow State University, SU-117234, Moscow, USSR

    E. A. Chudakov

  5. Institute of Nuclear Research, USSR Academy of Science, SU-117312, Moscow, USSR

    E. D. Molodtsov

  6. Institute of Physics, Czechoslovak Academy of Science, CS-18000, Prague, Czechoslovakia

    J. Hladky, S. Nemecek, M. Novak & A. Prokes

  7. Institute of Nuclear Research and Nuclear Energetics, Bulgarian Academy of Science, Sofia, Bulgaria

    D. T. Burilkov, V. I. Genchev, I. M. Geshkov & P. K. Markov

  8. Institute of High Energy Physics, Tbilisi State University, SU-380086, Tbilisi, USSR

    N. S. Amaglobeli, V. P. Dzhordzhadze, V. D. Kekelidze, N. L. Lomidze, G. I. Nikobadze & R. G. Shanidze

Authors
  1. A. N. Aleev
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  2. V. A. Arefiev
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  3. V. P. Balandin
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  4. V. K. Birulev
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  5. A. S. Chvyrov
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  6. V. D. Cholakov
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  7. T. S. Grigalashvili
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  8. B. N. Gus'kov
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  9. I. M. Ivanchenko
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  10. N. N. Karpenko
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  11. D. A. Kirillov
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  12. I. G. Kosarev
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  13. V. R. Krastev
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  14. N. A. Kuz'min
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  15. B. A. Kulakov
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  16. M. F. Likhachev
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  17. A. L. Lyubimov
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  18. A. N. Maksimov
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  19. A. N. Morozov
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  20. A. V. Pose
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  21. L. V. Sil'vestrov
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  22. V. E. Simonov
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  23. L. A. Slepets
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  24. P. T. Todorov
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  25. R. K. Trayanov
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  26. K. Hiller
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  27. H. -E. Ryseck
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  28. H. Nowak
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  29. A. S. Belousov
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  30. A. M. Fomenko
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  31. E. I. Malynovsky
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  32. S. V. Rusakov
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  33. Yu. V. Soloviev
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  34. L. N. Shtarkov
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  35. Ya. A. Vazdyk
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  36. E. A. Chudakov
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  37. E. D. Molodtsov
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  38. J. Hladky
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  39. S. Nemecek
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  40. M. Novak
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  41. A. Prokes
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  42. D. T. Burilkov
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  43. V. I. Genchev
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  44. I. M. Geshkov
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  45. P. K. Markov
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  46. N. S. Amaglobeli
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  47. V. P. Dzhordzhadze
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  48. V. D. Kekelidze
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  49. N. L. Lomidze
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  50. G. I. Nikobadze
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  51. R. G. Shanidze
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Aleev, A.N., Arefiev, V.A., Balandin, V.P. et al. Observation and study of a narrow state in aΣ −(1,385)K + system. Z. Phys. C - Particles and Fields 25, 205–212 (1984). https://doi.org/10.1007/BF01547919

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  • DOI: https://doi.org/10.1007/BF01547919

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