Results on $\beta \beta$ decay with emission of two neutrinos or Majorons in ${}^{76}$Ge from GERDA Phase I

M. Agostini, M. Allardt, A. M. Bakalyarov +109

A search for neutrinoless $\beta \beta$ decay processes accompanied with Majoron emission has been performed using data collected during Phase I of the GERmanium Detector Array (GERDA) expe…