Author

Jorge Alda

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Preprint Oct 2026

ALP interactions with mesons and baryons at $\mathcal{O}(1/f_a)$: a general field redefinition invariant approach

We develop a field-redefinition-invariant description of hadronic amplitudes outside the WZW sector at $\mathcal{O}(1/f_a)$, including general flavour-conserving and flavour-changing quark couplings. Starting from the most general CP-conserving Lagrangian for ALP interactions with the QCD sector, we identify invariant...

Jorge Alda, S. Rigolin · 0 citations