Author/Authors :
M. D?ring، نويسنده , , C. Hanhart، نويسنده , , F. Huang، نويسنده , , S. Krewald، نويسنده , , U.-G. Mei?ner، نويسنده , , D. R?nchen، نويسنده ,
Abstract :
Elastic πN scattering and the reaction image are described simultaneously in a unitary coupled-channels approach which respects analyticity. SU(3) flavor symmetry is used to relate the t- and u-channel exchanges that drive the meson–baryon interaction in the different channels. Angular distributions, polarizations, and spin-rotation parameters are compared with available experimental data. The pole structure of the amplitudes is extracted from the analytic continuation.
