# Electron mass singularities in semileptonic kaon decays

@article{Seng2022ElectronMS, title={Electron mass singularities in semileptonic kaon decays}, author={Chien Yeah Seng and William Joseph Marciano and Ulf-G. Meissner}, journal={Physical Review D}, year={2022} }

We show that recent improvements in the O ( α ) long-distance quantum electrodynamics (QED) corrections to the radiative inclusive K e 3 decay rate using the Sirlin representation are free from infrared divergences and collinear electron mass singularities in the limit m e → 0, as predicted by the Kinoshita-Lee-Nauenberg theorem. We also verify that in massless QED with the simultaneous dimensional regularization of QED photon infrared divergences and electron mass singularities leads to the…

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