Abstract

The foundation of the 3P 0 model with a planar quark-diagram topology, which is called the A2 model and the A3 model, in the p p annihilation into two mesons and into three mesons, respectively, are studied in the flux-tube model. The flux-tube model is based on the strong coupling lattice QCD theory, and we calculate the amplitudes of a flux-tube breaking into two flux tubes and into three flux tubes numerically and compare with their continuum limits which can be calculated analytically. The strength of the flux-tube breaking is compared with the empirical strength of the 3P 0 model.

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