Unitarity and the scale of fermion mass generation

Details Unitarity and the scale of fermion mass generation Unitarity and the scale of fermion mass generation

1998-06-05

arxiv.org/abs/hep-ph/9806286v2

Phys.Lett. B435 (1998) 139-144

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, LateX, 2 postscript files included. One reference added

Scientific paper

10.1016/S0370-2693(98)00793-X

We study the upper bound on the scale of fermion mass generation in a two-Higgs-doublet model. If the model is weakly-coupled, the scale of fermion mass generation is much less than the Appelquist-Chanowitz unitarity bound. However, if we allow some dimensionless Higgs self-couplings to become large, the Appelquist-Chanowitz unitarity bound can be saturated. The unitarity bound on the scale of top-quark mass generation is about 3 TeV, which may be within the reach of future colliders.

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