Creation of the inverse population in the ${}^{229}$Th ground-state doublet

E V Tkalya, L P Yatsenko

A new method for obtaining of inverse population between quadrupole sublevels of the ground state $5/2^{+}(0.0)$ and the isomeric state $3/2^{+}(7.6$ eV) of the ${}^{229}$Th nucleus in a…