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arxiv: hep-ph/9410338 · v2 · submitted 1994-10-20 · ✦ hep-ph · hep-th

Application of the Background-Field Method to the electroweak Standard Model

A. Denner , S. Dittmaier , G. Weiglein This is my paper
classification ✦ hep-ph hep-th
keywords background-fieldmodelstandardmethodapplicationcountertermselectroweakformalism
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Application of the background-field method yields a gauge-invariant effective action for the electroweak Standard Model, from which simple QED-like Ward identities are derived. As a consequence of these Ward identities, the background-field Green functions are shown to possess very desirable theoretical properties. The renormalization of the Standard Model in the background-field formalism is studied. A consistent on-shell renormalization procedure retaining the full gauge symmetry is presented. The structure of the counterterms is shown to greatly simplify compared to the conventional formalism. A complete list of Feynman rules for the Standard Model in the background-field method is given for arbitrary values of a quantum gauge parameter including all counterterms necessary for one-loop calculations.

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