$2\nu \beta \beta$ decay of ${}^{76}$Ge into excited states with GERDA Phase I

M. Agostini, M. Allardt, A. M. Bakalyarov +113

Two neutrino double beta decay of ${}^{76}$Ge to excited states of ${}^{76}$Se has been studied using data from Phase I of the GERDA experiment. An array composed of up to 14 germanium…