FADDEEV EQUATIONS FOR THE K TO 3PION AMPLITUDE.
ILLINOIS UNIV URBANA DEPT OF PHYSICS
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Integral equations for the three pion decay amplitude of the K-meson are derived in the context of a potential scattering model. Non local S- and P-wave separable potentials are used. Some numerical solutions are presented. The shapes of the decay spectra are found to be independent of the potential. The connection with the integral equations of Khuri and Treiman is discussed. A zero range approximation requires that A exp 2 sub 2 A exp 2 sub 0 data. Some aspects of three body states in the presence of a resonance are investigated. No observable effects of a triangle singularity are found for the cases considered. Author
- Nuclear Physics and Elementary Particle Physics