The decay omega(782) -> 5 pi in chiral theory

Details The decay omega(782) -> 5 pi in chiral theory The decay omega(782) -> 5 pi in chiral theory

2000-03-02

arxiv.org/abs/hep-ph/0003014v2

Phys.Lett. B480 (2000) 257-264

Physics

High Energy Physics

High Energy Physics - Phenomenology

revtex, 12 pages include 2 ps figures; clarifying remarks and references added, 17-fold reduction of filesize of fig1.ps. Acce

Scientific paper

10.1016/S0370-2693(00)00399-3

The arguments are put forward that the many pion decays omega ->2 pi^+ 2 pi^- pi^0 and pi^+ pi^- 3 pi^0 provide an ideal test site for testing the predictions of chiral models of the vector meson decays into many pions. Using the approach based on the Weinberg Lagrangian or, in a new language, the Lagrangian of hidden local symmetry added with the term induced by the anomalous Lagrangian of Wess and Zumino, the partial widths of these decays are evaluated, and their excitation curves in e^+e^- annihilation are obtained. The discussed are the perspectives of the experimental study of the decays omega -> 5 pi in e^+e^- annihilation and photoproduction.

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