Proof of the Equivalence Theorem in the Chiral Lagrangian Formalism
Abstract
A general proof of the equivalence theorem in electroweak theories with the symmetry breaking sector described by the chiral Lagrangian is given in the R gauge by means of the Ward-Takahashi identities. The precise form of the theorem contains a modification factor Cmod associated with each external Goldstone boson similar to that in the standard model. Cmod is exactly unity in our previously proposed renormalization scheme, Scheme-II.
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