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Journal of High Energy Physics

, 2016:29 | Cite as

Fundamental partial compositeness

  • Francesco Sannino
  • Alessandro Strumia
  • Andrea Tesi
  • Elena Vigiani
Open Access
Regular Article - Theoretical Physics

Abstract

We construct renormalizable Standard Model extensions, valid up to the Planck scale, that give a composite Higgs from a new fundamental strong force acting on fermions and scalars. Yukawa interactions of these particles with Standard Model fermions realize the partial compositeness scenario. Under certain assumptions on the dynamics of the scalars, successful models exist because gauge quantum numbers of Standard Model fermions admit a minimal enough ‘square root’. Furthermore, right-handed SM fermions have an SU(2) R -like structure, yielding a custodially-protected composite Higgs. Baryon and lepton numbers arise accidentally. Standard Model fermions acquire mass at tree level, while the Higgs potential and flavor violations are generated by quantum corrections. We further discuss accidental symmetries and other dynamical features stemming from the new strongly interacting scalars. If the same phenomenology can be obtained from models without our elementary scalars, they would reappear as composite states.

Keywords

Beyond Standard Model Technicolor and Composite Models 

Notes

Open Access

This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.

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Copyright information

© The Author(s) 2016

Authors and Affiliations

  • Francesco Sannino
    • 1
  • Alessandro Strumia
    • 2
    • 3
  • Andrea Tesi
    • 4
  • Elena Vigiani
    • 2
  1. 1.CP3-Origins and Danish IASUniversity of Southern DenmarkOdense MDenmark
  2. 2.Dipartimento di Fisica dell’Università di Pisa and INFNPisaItaly
  3. 3.Theory Division, CERNGenevaSwitzerland
  4. 4.Department of Physics, Enrico Fermi InstituteUniversity of ChicagoChicagoU.S.A.

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