Multi-Higgs Mass Spectrum in Gauge-Higgs Unification
Kentaro Kojima, Kazunori Takenaga, and Toshifumi Yamashita
TL;DR
This paper analyzes the mass spectrum of multiple Higgs bosons in a supersymmetric gauge-Higgs unification model, highlighting the importance of loop corrections for future experimental tests.
Contribution
It introduces a perturbative scheme to evaluate the effective potential and assesses loop effects on the multi-Higgs mass spectrum in gauge-Higgs unification.
Findings
Loop corrections significantly modify Higgs mass spectrum.
Both massless and massive Higgs scalars receive comparable mass corrections.
The results are relevant for future high-energy experimental verification.
Abstract
We study an SU(2) supersymmetric gauge model in a framework of gauge-Higgs unification. Multi-Higgs spectrum appears in the model at low energy. We develop a useful perturbative approximation scheme for evaluating effective potential to study the multi-Higgs mass spectrum. We find that both tree-massless and massive Higgs scalars obtain mass corrections of similar size from finite parts of the loop effects. The corrections modify multi-Higgs mass spectrum, and hence, the loop effects are significant in view of future verifications of the gauge-Higgs unification scenario in high-energy experiments.
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