Effect of three-pion unitarity on resonance poles from heavy meson   decays
  We study the final state interaction in 3-pion decay of meson resonances at the Excited Baryon Analysis Center (EBAC) of JLab. We apply the dynamical coupled-channels formulation which has been extensively used by EBAC to extract N* information. The formulation satisfies the 3-pion unitarity condition which has been missed in the existing works with the isobar models. We report the effect of the 3-pion unitarity on the meson resonance pole positions and Dalitz plot. 
Satoshi X. Nakamura (Jefferson Lab)
hep-ph hep-ex nucl-ex nucl-th