Summary
This paper extends hard-wall AdS/QCD models using string-theory-inspired Chern-Simons actions to calculate hadronic contributions to the muon anomalous magnetic moment (g−2). The approach improves modelling of axial-vector meson mixing and photon coupling compared to previous Katz-Schwartz implementations, though pseudoscalar transition form factors show less agreement with experimental data at intermediate virtuality. The overall combined hadronic light-by-light contribution to muon g−2 remains consistent with earlier calculations despite improvements in individual meson sector descriptions.
UK applicability
This is theoretical high-energy physics with no direct application to UK farming systems, soil health, or nutritional science; it falls outside the scope of Vitagri's Pulse Brain catalogue.
Key measures
Axial-vector meson properties (f₁−f₁′ mixing), equivalent photon rates, branching ratios (f₁→e⁺e⁻), pseudoscalar transition form factors, hadronic light-by-light contribution to muon g−2
Outcomes reported
This theoretical physics paper reports calculations of hadronic light-by-light contributions to the muon g−2 using extended AdS/QCD models with superconnection formalism. The study evaluates axial-vector meson mixing, photon coupling rates, and pseudoscalar transition form factors.
Topic tags
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