A revised and complete list of the electroweak chiral Lagrangian operators up to dimension four is provided. The connection of these operators to the S, T, and U parameters and the parameters describing the triple gauge boson vertices WWγ and WWZ is made, and the size of these parameters from new heavy physics is estimated using a one flavor-doublet model of heavy fermions. The coefficients of the chiral Lagrangian operators are also computed in this model.
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Appelquist et al. (1993) studied this question.
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