Direct determination of the atomic mass difference of the pairs ${}^{76}$As-${}^{76}$Se and ${}^{155}$Tb-${}^{155}$Gd rules out ${}^{76}$As and ${}^{155}$Tb as possible candidates for electron (anti)neutrino mass measurements

Z. Ge, T. Eronen, A. de Roubin +19

The first direct determination of the ground-state-to-ground-state $Q$ values of the ${\beta }^{-}$ decay ${}^{76}$As $\to$ ${}^{76}$Se and the electron-capture decay ${}^{155}$Tb $\right…