Effective action for the standard model with large Higgs mass |
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| Affiliation: | 1. Clinical Cooperation Unit, Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany;2. Department of Neurology and Neurooncology Program, National Center for Tumor Diseases, Heidelberg University Hospital, Heidelberg, Germany;3. Division of Biostatistics, German Cancer Research Center (DKFZ), Heidelberg, Germany;4. Department of Neuroradiology, University of Heidelberg, Heidelberg, Germany;6. Clinical Cooperation Unit, Neuroimmunology and Brain Tumor Immunology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany;5. Department of Neurology, Universitätsmedizin Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany;7. Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany |
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| Abstract: | The covariant derivative expansion of the one-loop effective action is briefly reviewed, and applied to the problem of calculating the heavy Higgs effects in the standard Glashow-Weinberg-Salam model. All terms which grow with the Higgs mass MH at one loop are found. The result of this calculation is used to find the dependence of the gauge boson mass ratio ϱ on MH, and also to estimate the size of corrections to W and Z scattering theorems. |
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