Final Results of the MAJORANA DEMONSTRATOR's Search for Double-Beta Decay of ${}^{76}$Ge to Excited States of ${}^{76}$Se

I. J. Arnquist, F. T. Avignone, A. S. Barabash +45

${}^{76}$Ge can $\beta \beta$ decay into three possible excited states of ${}^{76}$Se, with the emission of two or, if the neutrino is Majorana, zero neutrinos. None of these six transitions ha…