Higgs doublet as a Goldstone boson in perturbative extensions of the Standard Model

Details Higgs doublet as a Goldstone boson in perturbative extensions of the Standard Model Higgs doublet as a Goldstone boson in perturbative extensions of the Standard Model

2008-05-14

arxiv.org/abs/0805.2107v2

JHEP0811:027,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

16pp, typos corrected, phenomenological discussion expanded

Scientific paper

10.1088/1126-6708/2008/11/027

We investigate the idea of the Higgs doublet as a pseudo-Goldstone boson in perturbative extensions of the Standard Model, motivated by the desire to ameliorate its hierarchy problem without conflict with the electroweak precision data. Two realistic supersymmetric models with global SU(3) symmetry are proposed, one for large and another for small values of tan\beta. The two models demonstrate two different mechanisms for EWSB and the Higgs mass generation. Their experimental signatures are quite different. Our constructions show that a pseudo-Goldstone Higgs doublet in perturbative extensions is just as plausible as in non-perturbative ones.

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