Mass ratio of W and Z bosons in SU(5) gauge-Higgs unification
Nobuhiro Uekusa
TL;DR
This paper investigates how different boundary conditions in an SU(5) gauge-Higgs unification model affect the mass ratio of W and Z bosons, without introducing scalar fields except for gauge boson components.
Contribution
It explores the impact of boundary conditions on the W/Z mass ratio in a gauge-Higgs unification framework with left-right symmetry and no scalar fields.
Findings
Multiple boundary conditions lead to different W/Z mass ratios.
The model maintains left-right symmetry at the boundary.
Scalar fields are not necessary for mass generation in this setup.
Abstract
We study the mass ratio of W and Z bosons in an SU(5) gauge-Higgs unification model with the left-right symmetry remaining locally for boundary conditions and with no scalar fields except for the extra-dimensional component of gauge bosons. We find that there are a variety of boundary conditions to yield distinct values of the mass ratio.
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