π to lν γ Form Factors at Two-loop

J. Bijnens , P. Talavera

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classification ✦ hep-ph

keywords gammafactorsformchiralchptcomputecorrectionsdecay

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Within Chiral Perturbation Theory (CHPT) we compute the form factors A, V and $\gamma = A/V$ in the $\pi \to \nu l \gamma$ decay to $O(p^6)$. A and $\gamma$ obtain corrections of order 25%.

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π to lν γ Form Factors at Two-loop

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