High precision half-life measurement of ${}^{147}$Sm $\alpha$ decay from thin-film sources

Heinrich Wilsenach, Kai Zuber, Detlev Degering +2

An investigation of the α-decay of ${}^{147}$Sm was performed using an ultra low-background Twin Frisch-Grid Ionisation Chamber (TF-GIC). Four natural samarium samples were produced…