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Chiral anomaly and eta-eta ' mixing
Octet singlet pseudoscalar decay constant mixing Angle
2014/12/22
We determine the η-η′ mixing angle via a procedure relatively independent of theoretical assumptions by simultaneously fitting η,η′ reactions involving the anomaly η,η′→γγ, π+π-γ. We extract reasonabl...
Allowed eta-decay modes and chiral symmetry
Chiral perturbation theory the low energy kaon reaction
2014/12/22
Recently, the development of chiral perturbation theory has allowed the generation of rigorous low-energy theorems for various hadronic processes based only on the chiral invariance of the underlying ...
Chiral dynamics predictions for eta' -> eta pi pi
Chiral dynamics predictions eta' -> eta pi pi
2011/1/6
The Dalitz plot distribution of the ′ → decays is analyzed in the frameworks of
large-NC Chiral Perturbation Theory and Resonance Chiral Theory. The size of the ′
branching ratios is thus sati...