On light dilaton extensions of the Standard Model

Abstract

We discuss the presence of a light dilaton in Conformal Field Theories deformed by a single scalar operator, in the holographic realization consisting of confining Renormalization Group flows. Then, we apply this formalism to study the extension of the Standard Model with a light dilaton in a 5D warped model. We study the spectrum of scalar and vector perturbations, compare the model predictions with Electroweak Precision Tests and find the corresponding bounds for the lightest modes. Finally, we analyze the possibility that the Higgs resonance found at the LHC be a dilaton.

6 pages, 3 figures. Presented by E.Megias at the 4th International Conference on New Frontiers in Physics (ICNFP 2015), 23-30 August 2015, Kolymbari, Crete, Greece

References in corpus (4)

• Radion Phenomenology in Realistic Warped Space Models
• Suppressing Electroweak Precision Observables in 5D Warped Models
• Naturally light dilatons from nearly marginal deformations
• A Soft-Wall Dilaton

Cited by in corpus (6)

• QCD-induced Electroweak Phase Transition
• Cosmological Phase Transitions in Warped Space: Gravitational Waves and Collider Signatures
• $g_{\mu }-2$ from Vector-Like Leptons in Warped Space
• Lepton-flavor universality limits in warped space
• The Light Radion Window
• Light dilaton near critical points in top-down holography