Aspects of radiative K+e3 decays
Abstract
We re-investigate the radiative charged kaon decay K+- --> pi0 e+- nue gamma in chiral perturbation theory, merging the chiral expansion with Low's theorem. We thoroughly analyze the precision of the predicted branching ratio relative to the non-radiative decay channel. Structure dependent terms and their impact on differential decay distributions are investigated in detail, and the possibility to see effects of the chiral anomaly in this decay channel is emphasized.
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