Abstract
The NA62 experiment at CERN reports new results from the study of the radiative kaon decay $K^+ \to \pi^0 e^+ \nu \gamma$ ($Ke3\gamma$), using a data sample recorded in 2017 and 2018. Preliminary results with the most precise measurement of the $Ke3\gamma$ branching ratio, and a T-asymmetry measurement in the $Ke3\gamma$ decay, are presented.
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