Abstract
The present work is a re-analysis of theJ≦3/2πN partial waves in a single channelN/D scheme. The new features are inclusion of (i) inelastic unitarity, and (ii) the forces generated by the exchange of a scalarI=0 meson. The calculation shares the same difficulties with other one-channel treatments in that (a) the D13 resonance is absent, and (b) it is not possible to produce the nucleon as a dynamical bound state and at the same time obtain aP 11 resonance. Apart from theseS 11,P 11 andD 13 waves, one can secure good agreement between theory and experiments in other partial waves.
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This research was partly supported by the National Research Council of Canada.
It is a pleasure to thank Dr. A. N. Kamal who suggested this problem for numerous discussions.
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Hung, E.K.L. A one-channelN/D calculation of the πN partial waves incorporating inelastic unitarity. Z. Physik 232, 363–373 (1970). https://doi.org/10.1007/BF01395388
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DOI: https://doi.org/10.1007/BF01395388