Radiative modes K+π+γ*γ(*) and the K+π+4e decay
Abstract
We discuss radiative transitions of a charged kaon to a pion and two photons. In particular, we have a closer look at radiative corrections for the K+π++- decays and present the branching ratio of the K+π+e+e-e+e- process calculated for the first time at leading order in the Standard Model.
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