Correlations of C and CP violation in η → π 0 ℓ + ℓ − and η ′ → ηℓ + ℓ −

Abstract Based on recent progress in the systematic analysis of C and CP violation in the light-meson sector, we calculate the C-odd transition amplitudes η → π 0 ℓ + ℓ − and η ′ → ηℓ + ℓ − . Focusing on long-distance contributions driven by the lowest-lying hadronic intermediate states, we work out...

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Autors principals:	Hakan Akdag, Bastian Kubis, Andreas Wirzba
Format:	Artigo
Idioma:	Inglês
Publicat:	SpringerOpen 2024-03-01
Col·lecció:	Journal of High Energy Physics
Matèries:	Chiral Lagrangian Effective Field Theories of QCD CP Violation Discrete Symmetries
Accés en línia:	https://doi.org/10.1007/JHEP03(2024)059
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