Semileptonic weak Hamiltonian to $\mathcal{O}(\hat{I}\pm \hat{I}{\pm }_s(\hat{I}{¼}_{\mathrm{Lattice}}))$ in momentum-space subtraction schemes

M. Gorbahn, S. Jäger, F. Moretti +1

The CKM unitarity precision test of the Standard Model requires a systematic treatment of electromagnetic and strong corrections for semi-leptonic decays. Electromagnetic correctio…