On the equivalence theorem in the χPT description of the symmetry breaking sector of the standard model

  title={On the equivalence theorem in the $\chi$PT description of the symmetry breaking sector of the standard model},
  author={Antonio Dobado and Jos{\'e} R. Pel{\'a}ez},
  journal={Nuclear Physics},
Abstract We develop an alternative formulation of the symmetry breaking sector of the Standard Model as a gauged non-linear sigma model (NLSM) following the philosophy of the Chiral lagrangian approach, which is the only compatible with all the experimental and theoretical constraints. We derive the BRS symmetry of the model and the corresponding quantum lagrangian, which is a generalization of the standard Faddeev-Popov method, in a way which is covariant with respect to the reparametrizations… Expand
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