I=1/2  S-wave scattering-amplitude poles pole position (GeV)     origin 0.772 - 0.281 i continuum 1.52 - 0.097 i confinement 1.79 - 0.052 i confinement 2.04 - 0.15 i continuum 2.14 - 0.065 i confinement Pole positions are model dependent.   EvB and GR, arXiv:hep-ph/0510120,   AIP Conf. Proc. 814, 143 (2006).