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arXiv · hep-ph/0302049

The Little Higgs from a Simple Group

David E. Kaplan·Martin Schmaltz
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Abstract

We present a model of electroweak symmetry breaking in which the Higgs boson is a pseudo-Nambu-Goldstone boson. By embedding the standard model SU(2) x U(1) into an SU(4) x U(1) gauge group, one-loop quadratic divergences to the Higgs mass from gauge and top loops are canceled automatically with the minimal particle content. The potential contains a Higgs quartic coupling which does not introduce one-loop quadratic divergences. Our theory is weakly coupled at the electroweak scale, it has new weakly coupled particles at the TeV scale and a cutoff above 10 TeV, all without fine tuning. We discuss the spectrum of the model and estimate the constraints from electroweak precision measurements.

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David E. Kaplan, Martin Schmaltz. 2003-02-18. The Little Higgs from a Simple Group. https://doi.org/10.1088/1126-6708%2F2003%2F10%2F039

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