Article
Realistic Composite Higgs Models
Physical review D: Particles and fields 01/2009; DOI: 10.1103/PhysRevD.79.075003
Source: arXiv

Article: New theories for the Fermi scale
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ABSTRACT: Electroweak interactions need three NambuGoldstone bosons to provide a mass to the W and the Z gauge bosons but they also need an ultraviolet moderator or new physics to unitarize the gauge boson scattering amplitudes. In this talk, I will present various recent models of physics at the Fermi scale: several deformations of the Minimal Supersymmetric Standard Model, Little Higgs models, holographic composite Higgs models, 5D Higgsless models. Comment: 24 pages. Invited review talk at the EPSHEPP'09 and LeptonPhoton 2009 conferences10/2009;  [Show abstract] [Hide abstract]
ABSTRACT: This is an introduction to theories where the Higgs is a composite NambuGoldstone boson of a new stronglyinteracting dynamics not much above the weak scale. A general discussion is presented based on the pattern of global symmetries at low energy, and the analogy with the QCD pion is analyzed. The last part of the lectures shows how a composite Higgs can emerge as the hologram of a 5dimensional gauge field. Comment: Lectures given at the Theoretical Advanced Study Institute in Elementary Particle Physics (TASI 2009): Physics of the Large and the Small, Boulder, Colorado, 129 Jun 200905/2010;  [Show abstract] [Hide abstract]
ABSTRACT: I present a concise review of the Higgs problem which plays a central role in particle physics today. The Higgs of the minimal Standard Model is so far just a conjecture that needs to be verified or discarded at the LHC. Probably the reality is more complicated. I will summarize the motivation for New Physics that should accompany or even replace the Higgs discovery and a number of its possible forms that could be revealed by the LHC.Fortschritte der Physik 06/2010; 58(7‐9):634  650. · 0.98 Impact Factor
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