A Composite Twin Higgs Model

TL;DR

This paper introduces a novel class of composite twin Higgs models based on confining QCD-like dynamics, which stabilize the electroweak scale and predict new particles accessible at the LHC.

Contribution

It is the first to develop composite twin Higgs models with confining dynamics, incorporating custodial symmetry and predicting a testable particle spectrum.

Findings

Predicts new particles around a TeV accessible at LHC

Provides a natural stabilization of the electroweak scale

Incorporates custodial isospin symmetry

Abstract

Twin Higgs models are economical extensions of the Standard Model that stabilize the electroweak scale. In these theories the Higgs field is a pseudo Nambu-Goldstone boson that is protected against radiative corrections up to scales of order 5 TeV by a discrete parity symmetry. We construct, for the first time, a class of composite twin Higgs models based on confining QCD-like dynamics. These theories naturally incoporate a custodial isospin symmetry and predict a rich spectrum of particles with masses of order a TeV that will be accessible at the LHC.