Composite Higgs models, Dark Matter and Lambda

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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Prepared for the Proccedings of the XIII Mexican School of Particles and Fields, Sonora (Mexico), Oct. 2-11, 2008, 8 pages

Scientific paper

10.1063/1.3131553

We suggest that dark matter can be identified with a stable composite fermion X^0, that arises within the holographic AdS/CFT models, where the Higgs boson emerges as a composite pseudo-goldstone boson. The predicted properties of X^0 satisfies the cosmological bounds, with m_X = O(TeV). Thus, through a deeper understanding of the mechanism of electroweak symmetry breaking, a resolution of the Dark Matter enigma is found. Furthermore, by proposing a discrete structure of the Higgs vacuum, one can get a distinct approach to the cosmological constant problem.

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