Limits on ALP-neutrino couplings from loop-level processes

J. Bonilla, B. Gavela, J. Machado-Rodríguez

We obtain new bounds on effective ALP-neutrino interactions from their loop-level impact on the ALP couplings to electroweak gauge bosons $\gamma Z$, $ZZ$ and $W^{+}{W}^{-}$. Both types of int…