Lattice Calculation of Light Meson Radiative Leptonic Decays

Peter Boyle, Norman H. Christ, Xu Feng +4

In this work, we perform a lattice QCD calculation of the branching ratios and the form factors of radiative leptonic decays $P\to \ell {\nu }_{\ell }\gamma$ ($P=\pi ,K$) using $N_f=2+1$ doma…