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Comments on nucleon-nucleon phase-shift analyses in the Δ excitation region

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Zeitschrift für Physik A Hadrons and Nuclei

Abstract

Within a one-pion-exchange coupled-channel model, we show that theNN inelasticities due to theΔ excitation in theJ > 5 partial waves could significantly affect some of theNN spin observables. We suggest that current AW phase shift analyses should incorporate this theoretical constraint.

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Author notes

  1. C. G. Fasano

    Present address: Department of Physics and Astronomy, University of Pittsburgh, 15260, Pittsburgh, PA, USA

Authors and Affiliations

  1. The Paul Scherrer Institute (PSI), formerly SIN, CH-5232, Villigen, Switzerland

    C. G. Fasano

  2. Physics Division, Argonne National Laboratory, 60439, Argonne, IL, USA

    T. -S. H. Lee

Authors
  1. C. G. Fasano
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  2. T. -S. H. Lee
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Additional information

This work is partially supported by the U.S. Department of Energy, Nuclear Physics Division under contract W-31-109-ENG-38. We would like to thank the École Polytechnique Fédérale de Lausanne, Switzerland for providing us with computing time.

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Fasano, C.G., Lee, T.S.H. Comments on nucleon-nucleon phase-shift analyses in the Δ excitation region. Z. Physik A - Hadrons and Nuclei 340, 101–103 (1991). https://doi.org/10.1007/BF01284486

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  • DOI: https://doi.org/10.1007/BF01284486

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