Observing Higgs Dark Matter at the CERN LHC

TL;DR

This paper explores the potential for the LHC to detect Higgs boson dark matter within a warped five-dimensional gauge-Higgs unification model, focusing on a specific mass range and production channel.

Contribution

It demonstrates that the LHC can observe Higgs dark matter particles in a narrow mass window using weak boson fusion with realistic luminosity.

Findings

Higgs dark matter mass constrained to 70-90 GeV by astrophysical data

LHC can detect these particles with about 240 fb^{-1} of data

Detection feasible via weak boson fusion channel

Abstract

Triggering the electroweak symmetry breaking may not be the only key role played by the Higgs boson in particle physics. In a recently proposed warped five-dimensional $SO(5)\otimes U(1)$ gauge-Higgs unification model the Higgs boson can also constitute the dark matter that permeates the universe. The stability of the Higgs boson in this model is guaranteed in all orders of perturbation theory by the conservation of an H-parity quantum number that forbids triple couplings to all SM particles. Recent astrophysical data constrain the mass of such a Higgs dark matter particle to a narrow window of 70-90 GeV range. We show that the Large Hadron Collider can observe these Higgs bosons in the weak boson fusion channel with about 240$\fb^{-1}$ of integrated luminosity in that mass range.