Electroweak Symmetry Breaking in Sp(6) Gauge-Higgs Unification Model

TL;DR

This paper explores electroweak symmetry breaking within an Sp(6) gauge-Higgs unification framework, predicting the weak mixing angle and achieving realistic Higgs mass through specific fermion representations.

Contribution

It introduces a novel five-dimensional Sp(6) model that predicts the weak mixing angle and realizes proper symmetry breaking with new fermion representations.

Findings

Predicts sin^2 θ_W = 1/4 at the compactification scale

Achieves viable Higgs mass with added fermion representations

Demonstrates correct electroweak symmetry breaking pattern

Abstract

We study the electroweak symmetry breaking in a five dimensional $Sp(6)$ gauge-Higgs unification model where the weak mixing angle is predicted to be $\sin^2 \theta_W=1/4$ at the compactification scale. We find that the correct pattern of electroweak symmetry breaking and a viable Higgs mass are realized by introducing a 4-rank totally symmetric representation and several adjoint fermions additionally.