Effect of three-pion unitarity on resonance poles from heavy meson decays

Details Effect of three-pion unitarity on resonance poles from heavy meson decays Effect of three-pion unitarity on resonance poles from heavy meson decays

2011-02-28

arxiv.org/abs/1102.5753v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 4 figures, Contribution to the proceedings of International conference on the structure of baryons (BARYONS'10), Osak

Scientific paper

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.

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