Abstract
The Lehmann-Symanzik-Zimmermann (LSZ) formalism is used in the Bronzan-Lee model to investigate the scattering processes in the lowest sectors. In this model, there are three heavy recoilless particles U, V, and N interacting with a θ particle. The processes allowed are U⇄Vθ and V⇄Nθ. In U and V sectors of this model all τ functions have been calculated, and relevant scattering and production amplitudes are evaluated. The mass, wavefunction, and vertex function renormalization constants have been found and they agree with the results previously obtained by Bronzan and later also by Liossatos.
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