Measurement of the Electron capture of ${}^{76}$As into the first excited state of ${}^{76}$Ge

Hans F. R. Hoffmann, Björn Lehnert, Kai Zuber

The neutrinoless double beta decay of ${}^{76}$Ge is searched for in the large-scale experiment LEGEND. The measurement of the half-life of this process would give access to the neut…