Abstract
Thep 11-phase shift of πN scattering is calculated by a two-channel matrixN/D method using the reaction σN→σN as second channel. The calculated amplitude has the two main features of the p11 partial wave at low energies: the nucleon pole and the zero of the phase near the inelastic threshold.
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We thank Professor F.Penzlin for a discussion.
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Bender, I., Heiss, D. & Tränkle, E. Two channelN/D calculation of the p11 partial wave of πN scattering at low energies. Z. Physik 200, 332–342 (1967). https://doi.org/10.1007/BF01340534
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DOI: https://doi.org/10.1007/BF01340534