Abstract

Based on the top-condensate model of Nambu and Bardeen et al., it is pointed out that a bootstrap of the scalar sector occurs in top–antitop scattering amplitude in that the ladder sum of Higgs pole exchange diagrams in one channel reproduces a Higgs pole in the crossed-channel. This result is exact whenever color flows simultaneously in both channel directions e.g. for Nc = 1. Solutions are obtained that are compatible with the condensate models such as the top-color models which imply large top-Yukawa couplings at the top mass.

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