QED corrections to leptonic decay rates

Authors :: Boyle, P. A.
Guelpers, V.
Juettner, A.
Lehner, C.
hOgain, F. O
Portelli, A.
Richings, J. P.
Sachrajda, C. T.
Publication Year :: 2019
Abstract: RBC/UKQCD is preparing a calculation of leptonic decay rates including isospin breaking corrections using a perturbative approach to include NLO contributions from QED effects. We present preliminary numerical results for a contribution to the leptonic pion decay rate and report on exploratory studies of computational techniques based on all-to-all propagators.<br />Comment: Proceedings