Monte Carlo Exploration of Warped Higgsless Models

Details Monte Carlo Exploration of Warped Higgsless Models Monte Carlo Exploration of Warped Higgsless Models

2004-07-05

arxiv.org/abs/hep-ph/0407059v2

JHEP0410:014,2004

Physics

High Energy Physics

High Energy Physics - Phenomenology

26 pages, 7 figures; new fig and additional text added

Scientific paper

10.1088/1126-6708/2004/10/014

We have performed a detailed Monte Carlo exploration of the parameter space for a warped Higgsless model of electroweak symmetry breaking in 5 dimensions. This model is based on the $SU(2)_L\times SU(2)_R\times U(1)_{B-L}$ gauge group in an AdS$_5$ bulk with arbitrary gauge kinetic terms on both the Planck and TeV branes. Constraints arising from precision electroweak measurements and collider data are found to be relatively easy to satisfy. We show, however, that the additional requirement of perturbative unitarity up to the cut-off, $\simeq 10$ TeV, in $W_L^+W_L^-$ elastic scattering in the absence of dangerous tachyons eliminates all models. If successful models of this class exist, they must be highly fine-tuned.

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