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Abstract
Non-decoupling effects of heavy particles present in beyond-the-standard models are studied for the triple gauge boson vertices γW + W − and Z 0 W + W −. We show from a general argument that the non-decoupling effects are described by four independent parameters, in comparison with the three parameters S, T and U in the oblique corrections. These four parameters of the effective triple gauge boson vertices are computed in two beyond-the-standard models. We also study the relation of the four parameters to the S, T, U parameters, relying on an operator analysis.
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