Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-06-10
JHEP 0912:027,2009; Erratum-ibid.1102:032,2011
Physics
High Energy Physics
High Energy Physics - Phenomenology
25 pp. LaTeX; v2: improved discussion of precision constraints and references added; v3: summary of model structure added at b
Scientific paper
10.1088/1126-6708/2009/12/027 10
Based on a recent idea by Krohn and Yavin, we construct a little Higgs model with an internal parity that is not broken by anomalous Wess-Zumino-Witten terms. The model is a modification of the "minimal moose" models by Arkani-Hamed et al. and Cheng and Low. The new parity prevents large corrections to oblique electroweak parameters and leads to a viable dark matter candidate. It is shown how the complete Standard Model particle content, including quarks and leptons together with their Yukawa couplings, can be implemented. Successful electroweak symmetry breaking and consistency with electroweak precision constraints is achieved for natural paramters choices. A rich spectrum of new particles is predicted at the TeV scale, some of which have sizable production cross sections and striking decay signatures at the LHC.
Freitas Ayres
Schwaller Pedro
Wyler Daniel
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