Search for $2\beta$ decay of ${}^{106}$Cd with enriched ${}^{106}$CdWO${}_4$ crystal scintillator in coincidence with four HPGe detectors

P. Belli, R. Bernabei, V. B. Brudanin +14

A radiopure cadmium tungstate crystal scintillator, enriched in ${}^{106}$Cd to 66%, with mass of 216 g (${}^{106}$CdWO${}_4$), was used to search for double beta decay processes in $^{1…