One-loop Self-energies in the Electroweak Model with Nonlinearly Realized Gauge Group
arXiv:0903.0281 · doi:10.1103/PhysRevD.79.125028
Abstract
We evaluate at one loop the self-energies in generic D dimensions for the W,Z mesons in the Electroweak model where the gauge group is nonlinearly realized. In this model the Higgs boson parameters are absent, while a second mass parameter appears together with a scale for the radiative corrections. We estimate these parameters in a simplified fit on leptons and gauge bosons data. We check physical unitarity and the absence of infrared divergences. Landau gauge is used.
29 pages, final version published by Phys. Rev. D, some typos corrected in eqs.(5), (18) and (19). The errors have a pure editing origin. Therefore they do not affect the content of the paper
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