Dynamical Electroweak Symmetry Breaking and Fourth Family

Details Dynamical Electroweak Symmetry Breaking and Fourth Family Dynamical Electroweak Symmetry Breaking and Fourth Family

2010-02-27

arxiv.org/abs/1003.0081v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 4 figures; Talk give at 2009 Nagoya Global COE workshop "Strong Coupling Gauge Theories in LHC Era (SCGT 09)", Decemb

Scientific paper

We propose a dynamical model with a (2 + 1)-structure of composite Higgs doublets: two nearly degenerate composites of the fourth family quarks t' and b', $\Phi_{t^{\prime}} \sim \bar{t^{\prime}}_{R}(t^{\prime},b^{\prime})_L$ and $\Phi_{b^{\prime}} \sim \bar{b^{\prime}}_{R}(t^{\prime},b^{\prime})_L$, and a heavier top-Higgs resonance $\Phi_t \sim \bar{t}_{R}(t,b)_L$. This model naturally describes both the top quark mass and the electroweak symmetry breaking. Also, a dynamical mechanism providing the quark mass hierarchy can be reflected in the model. The properties of these composites are analyzed in detail.

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