An Extended Technicolor Model With QCD-like Symmetry Breaking

Abstract

We present a one-doublet extended technicolor model, with all fermions in fundamental representations. The bare lagrangian has no explicit mass terms but generates masses through gauge symmetry breaking by purely QCD-like dynamics. The model generates three families of quarks and leptons and can accommodate the observed third family mass spectrum (including a large top mass and light neutrinos). In addition, we show how the model may be extended to incorporate a top color driven top mass without the need for a strong U(1) interaction. We discuss the compatiblity of the model with experimental constraints and its possible predicitive power with respect to first and second family masses.

25 pages, latex, 7 figures

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• Strong interactions in air showers
• Technicolor Models with Color-Singlet Technifermions and their Ultraviolet Extensions