Semileptonic $\pi$ and $K$ Decays and the Chiral Anomaly at One-loop

Abstract

We calculate the $O(p^6)$ corrections to the anomalous form factors appearing in ${\pi }^{+}$, $K^{+}\to e^{+}\nu \gamma ,{\mu }^{+}\nu \gamma$ and $K_{l4}$ decays in Chiral Perturbation Theory. The relevant dimension $6$ terms of the lagrangian are evaluated assuming their saturation by the vector meson contribution.

10 pages of LaTeX (+3 figures available on request)

References in corpus (2)

• Semileptonic Kaon Decays
• Semileptonic Kaon Decays in Chiral Perturbation Theory

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