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A composite light scalar, electro-weak symmetry breaking and the recent LHC searches

Authors
  • Elander, Daniel
  • Piai, Maurizio
Type
Preprint
Publication Date
Jun 26, 2012
Submission Date
Dec 13, 2011
Identifiers
DOI: 10.1016/j.nuclphysb.2012.06.012
Source
arXiv
License
Yellow
External links

Abstract

We construct a model in which electro-weak symmetry breaking is induced by a strongly coupled sector, which is described in terms of a five-dimensional model in the spirit of the bottom-up approach to holography. We compute the precision electro-weak parameters, and identify regions of parameter space allowed by indirect tests. We compute the spectrum of scalar and vector resonances, which contains a set of parametrically light states that can be identified with the electroweak gauge bosons and a light dilaton. There is then a little desert, up to 2-3 TeV, where towers of resonances of the vector, axial-vector and scalar particles appear.

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