Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th${}^{+}$

A. Claessens, F. Ivandikov, M. Brasseur +10

Laser ionization spectroscopy was performed on both neutral and singly ionized ${}^{232}$Th with the aim of identifying the nuclear-clock isomer in the singly charged ionic state of…