Abstract
An introduction to the equivalence theorem for longitudinally polarized vector bosons and unphysical Goldstone scalars in electroweak theories is presented and the problem of high-energy behaviour of scattering amplitudes in the Standard Model is briefly reviewed. The equivalence theorem is first illustrated on simple examples, and the idea of a general proof based on the concept of BRS symmetry is then explained. To make the treatment self-contained, basics of the Standard Model are summarized in the appendix.
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Hořejší, J. Electroweak interactions and high-energy limit. Czechoslovak Journal of Physics 47, 951–977 (1997). https://doi.org/10.1023/A:1021177005216
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DOI: https://doi.org/10.1023/A:1021177005216