Weakly coupled Higgsless theories and precision electroweak tests

By R. Barbieri, A. Pomarol, R. Rattazzi. 2003

138 citations recorded by the source corpus.

In 5 dimensions the electroweak symmetry can be broken by boundary conditions, leading to a new type of Higgsless theories. These could in principle improve on the 4D case by extending the perturbative domain to energies higher than 4πv and by allowing a better fit to the electroweak precision tests. Nevertheless, it is unlikely that both these improvements can be achieved, as we show by discussing these problems in an explicit model. Our conclusions are unaffected by the presence of an arbitrary warp factor.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/99061eafd7867fca82f47d7160a977d12006c01c

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Citations in the corpus

Higgs boson from an extended symmetry (2007, background): “As is well known [18], the curvature of the AdS space can be mimicked by the kinetic terms for the SM gauge fields on the UV brane contained in L0.”
Interpolating between low and high energy QCD via a 5D Yang-Mills model (2005, background): “For instance, 5D locality implies an infinite set of vanishing sum rules [28, 29], generalizing those known as Weinberg sum rules (WSRs) in QCD [30, 31, 32].”
Light composite Higgs boson from higher representations versus electroweak precision measurements: P (2005, background): “However, any new model devised to describe the electroweak symmetry breaking in the standard model is subject to precision electroweak constraints linked to the vacuum polarizations of the electroweak gauge bosons, and encoded in the oblique parameters [3, 4, 5, 6], see also [7, 8] for different par”