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Comptes Rendus Physique
Volume 8, n° 9
pages 1058-1067 (novembre 2007)
Doi : 10.1016/j.crhy.2006.12.007
The holographic composite Higgs
Description holographique dʼun boson de Higgs composite
 

Roberto Contino a, Alex Pomarol b,
a Dipartimento di Fisica, Università di Roma “La Sapienza” and INFN P.le Aldo Moro 2, 00185 Roma, Italy 
b IFAE, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain 

Corresponding author.
Abstract

Theories where the Higgs boson is a composite particle elegantly solve the hierarchy problem. This idea has been recently investigated in the framework of 5-dimensional warped models that, according to the AdS/CFT correspondence, have a 4-dimensional holographic interpretation in terms of strongly coupled field theories. We present a minimal model in which the Higgs arises as a pseudo-Goldstone boson and the electroweak symmetry is dynamically broken. This model can successfully solve the flavor problem and pass all the electroweak precision tests. To cite this article: R. Contino, A. Pomarol, C. R. Physique 8 (2007).

The full text of this article is available in PDF format.
Résumé

Les théories dans lesquelles le boson de Higgs apparaît comme une particule composite apportent une solution élégante au problème de hiérarchie. Ce scénario a récemment connu un regain dʼintérêt dans le contexte de théories dans des espaces courbés à cinq dimensions qui sont, selon la correspondence AdS/CFT, une description holographique de théories en couplage fort à quatre dimensions. Nous présentons ici un modèle minimale où le Higgs est un pseudo boson de Goldstone tandis que la symétrie électrofaible est brisée de façon dynamique. Ce modèle est en accord avec tous les tests de précisions et peut également prétendre à une solution du problème de saveur. Pour citer cet article : R. Contino, A. Pomarol, C. R. Physique 8 (2007).

The full text of this article is available in PDF format.

Keywords : Higgs boson, Pseudo-Goldstone boson, 5-dimensional warped model

Mots-clés : Boson de Higgs, Pseudo boson de Goldstone, Théorie des espaces courbés à cinq dimensions




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