2009/01/31 by Yuki Adachi, C. S. Lim, Nobuhito Maru · 1 citation
Physics and Astronomy · #Anomalous magnetic dipole moment #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #Fermion #Gauge anomaly #Gauge boson #Gauge theory #Higgs boson #Orbifold #Particle physics #Particle physics theoretical and experimental studies #Physics #Quantum electrodynamics #Supersymmetry #Theoretical physics #hep-ph
paper · pdf · doi:10.1103/physrevd.79.075018
published as Phys.Rev.D79:075018,2009 · 32 pages, 11 eps files, version to appear in PRD
arxiv created 2009/04/06 · openalex publication_date 2009/04/22 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We discuss the anomalous magnetic moment of fermion in a realistic SU(3) model of gauge-Higgs unification compactified on an orbifold S1/Z2 including Z2-odd bulk mass for fermions. An operator analysis implies that the anomalous magnetic moment should be finite and predictable, even though higher dimensional gauge theories are nonrenormalizable. Our main purpose is to clarify the cancellation mechanism of the UV divergences appearing in various types of Feynman diagrams. The cancellation of divergence turns out to take place between the contributions of the partners in the Higgs-like mechanism present in the nonzero Kaluza-Klein modes to form massive gauge bosons. It is also argued that the cancellation may be attributed to the quantum mechanical supersymmetry hidden in the scenario of gauge-Higgs unification.