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On the nature of theS * and related scalar resonances

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Zeitschrift für Physik C Particles and Fields

Abstract

Recent data on ππ andK−K production are analysed in order to explore resonant effects in isospin zeroS wave scattering near theK−K threshold. Various coupled-channel formalisms are considered and information from above and below threshold is used. We identify, and determine the properties of,S * and ɛ (1400) resonance structures. The ɛ (1400) is in agreement with the results of a recent ANL analysis. TheP matrix formalism appropriate to four quark bound states is studied and found to provide an inefficient description of the observed effects. The implications for scalar meson spectroscopy are discussed.

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Authors and Affiliations

  1. Department of Applied Mathematics and Theoretical Physics, University, L69 3BX, Liverpool, UK

    A. C. Irving

  2. Department of Physics, University of Durham, UK

    A. D. Martin & P. J. Done

Authors
  1. A. C. Irving
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  2. A. D. Martin
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  3. P. J. Done
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Irving, A.C., Martin, A.D. & Done, P.J. On the nature of theS * and related scalar resonances. Z. Phys. C - Particles and Fields 10, 45–53 (1981). https://doi.org/10.1007/BF01545783

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  • DOI: https://doi.org/10.1007/BF01545783

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