The Little Higgs from a Simple Group

Details The Little Higgs from a Simple Group The Little Higgs from a Simple Group

2003-02-07

arxiv.org/abs/hep-ph/0302049v2

JHEP 0310 (2003) 039

Physics

High Energy Physics

High Energy Physics - Phenomenology

29 pages, referencing error corrected after death threats, dude removed

Scientific paper

10.1088/1126-6708/2003/10/039

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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