One-loop Self-energies in the Electroweak Model with Nonlinearly Realized Gauge Group

Details One-loop Self-energies in the Electroweak Model with Nonlinearly Realized Gauge Group One-loop Self-energies in the Electroweak Model with Nonlinearly Realized Gauge Group

2009-03-02

arxiv.org/abs/0903.0281v2

Phys.Rev.D79:125028,2009

Physics

High Energy Physics

High Energy Physics - Theory

29 pages, final version published by Phys. Rev. D, some typos corrected in eqs.(5), (18) and (19). The errors have a pure edit

Scientific paper

10.1103/PhysRevD.79.125028

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.

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