New limits on double-beta decay of ${}^{190}$Pt and ${}^{198}$Pt

F. A. Danevich, M. Hult, A. Junghans +10

A search for double-beta decay of ${}^{190}$Pt and ${}^{198}$Pt with emission of $\gamma$-ray quanta was realized at the HADES underground laboratory with a 148 g platinum sample measured b…