The K-internal conversion coefficients of the $2_2^{+}$→$2_1^{+}$ and $2_3^{+}$→$2_1^{+}$ transitions in ${}_{}{}^{110}{}_{}{}^{}\mathrm{Cd}$ and the $2_3^{+}$→$2_1^{+}$ transition in ${}_{}{}^{112}{}_{}{}^{}\mathrm{Cd}$ have been measured. The available experimental information on K-conversion coefficients, mixing ratios E2/M1, and lifetimes for the $2_{\mathit{i}}^{+}$→$2_{\mathit{f}}^{+}$ transitions in ${}_{}{}^{110,112,114}{}_{}{}^{}\mathrm{Cd}$ have been utilized to deduce the ratios B(E0)/B(E2), and B(E0)/B(M1) and the monopole strength parameter ${\mathrm{\rho }}^2$. The experimental data are compared to the theoretical values calculated in the framework of the interacting proton-neutron boson model. By exploiting also the available data on ${\mathrm{\rho }}^2$ for the $0_2^{+}$→$0_1^{+}$ transitions in these nuclei the boson effective charges in the E0 operator have been deduced.

• Received 26 July 1991

DOI:https://doi.org/10.1103/PhysRevC.44.1844