Precision mass measurements in the zirconium region pin down the mass surface across the neutron midshell at $N=66$

M. Hukkanen, W. Ryssens, P. Ascher +19

Precision mass measurements of ${}^{104}$Y, ${}^{106}$Zr, ${}^{104,104m,109}$Nb, and ${}^{111,112}$Mo have been performed with the JYFLTRAP double Penning trap mass spectrometer at the Ion…