Observation of Positive-Parity Bands in ${}^{109}$Pd and ${}^{111}$Pd: Enhanced $\gamma$-Softness

E. A. Stefanova, S. Lalkovski, A. Korichi +16

The neutron-rich nuclei ${}^{109}$Pd and ${}^{111}$Pd were produced as fission fragments following the ${}^{30}$Si + ${}^{168}$Er reaction at 142 MeV. Using the identification based on the…