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Holographic twin Higgs model.

Michael Geller1, Ofri Telem1

  • 1Physics Department, Technion-Institute of Technology, Haifa 32000, Israel.

Physical Review Letters
|May 30, 2015
PubMed
Summary

We introduce a novel twin Higgs model, a holographic composite Higgs realization. This model is protected by a mirror sector, allowing for higher energy scales and evading current Large Hadron Collider constraints.

Area of Science:

  • High Energy Physics
  • Theoretical Physics
  • Particle Physics

Background:

  • Composite Higgs models address the hierarchy problem.
  • Existing models face constraints from the Large Hadron Collider (LHC).
  • The Standard Model (SM) Higgs potential requires protection from quantum corrections.

Purpose of the Study:

  • To present the first holographic composite Higgs realization of a twin Higgs model.
  • To explore a novel mechanism for protecting the Higgs potential.
  • To investigate the phenomenological consequences for collider physics.

Main Methods:

  • Holographic duality to model composite Higgs dynamics.
  • Introduction of a Standard Model (SM) singlet elementary "mirror" sector.
  • Analysis of the Higgs potential protection mechanism.

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Main Results:

  • The Higgs potential is protected by the "mirror" sector at scale f, not composite states at m_{KK}.
  • This naturally allows for Kaluza-Klein (KK) excitations beyond the LHC reach.
  • Naturalness is not constrained by the LHC in this model.

Conclusions:

  • The proposed twin Higgs model offers a new paradigm for composite Higgs scenarios.
  • Future precision Higgs measurements at lepton colliders can probe this model.
  • Direct searches for Kaluza-Klein excitations at a 100 TeV collider are a viable test.