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New narrow N(1685) and N(1726)? Remarks on the interpretation of the neutron anomaly as an interference phenomenon

  • Fields, Particles, and Nuclei
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Abstract

Different interpretations of narrow structures at W ~ 1.68 and 1.72 GeV observed in several reactions are discussed. It is questionable whether interference phenomena could explain the whole complex of experimental findings. More probable hypotheses would be the existence of one or two narrow resonances N(1685) and N(1726) and/or the sub-threshold virtual KΣ and ωp production (cusps).

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Authors and Affiliations

  1. Petersburg Nuclear Physics Institute, Gatchina, 188300, Russia

    V. Kuznetsov, A. Gridnev, N. Kozlenko, M. V. Polyakov & V. Sumachev

  2. NFN–Sezione di Catania, Catania, I-95123, Italy

    V. Kuznetsov, V. Bellini, V. Brio, F. Mammoliti, F. Tortorici, G. Russo, M. L. Sperduto & C. M. Sutera

  3. Dipartimento di Fisica ed Astronomia, Università di Catania, Catania, I-95123, Italy

    V. Bellini, V. Brio, F. Mammoliti, F. Tortorici, G. Russo & M. L. Sperduto

  4. Institute für Theoretische Physik II, Ruhr-Universität Bochum, Bochum, D-44780, Germany

    M. V. Polyakov

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  1. V. Kuznetsov
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  2. V. Bellini
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  5. N. Kozlenko
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Correspondence to V. Kuznetsov.

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Kuznetsov, V., Bellini, V., Brio, V. et al. New narrow N(1685) and N(1726)? Remarks on the interpretation of the neutron anomaly as an interference phenomenon. Jetp Lett. 105, 625–630 (2017). https://doi.org/10.1134/S0021364017100010

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  • DOI: https://doi.org/10.1134/S0021364017100010

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