S. Raeder

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physics.atom-ph2025

High-Resolution Laser Spectroscopy on the Hyperfine Structure of $^{255}$ Fm (Z=100)

M. Urquiza-GonzÃ¡lez, M. Stemmler, T. E. Albrecht +36

We report on high-resolution laser spectroscopy of $^{255}$ Fm ( $T_{1/2} = 20$ h), one of the heaviest nuclides available from reactor breeding. The hyperfine structures in two diffe…

physics.atom-ph2025

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…

physics.atom-ph2025

$Ab initio$ multiconfigurational calculations of experimentally significant energy levels and transition rates in Lr I $(Z = 103)$

Joseph S. Andrews, Andrey I. Bondarev, Per JÃ¶nsson +4

Large-scale multiconfigurational calculations are conducted on experimentally significant transitions in Lr I and its lanthanide homologue Lu I, exhibiting good agreement with rece…

High-Resolution Laser Spectroscopy on the Hyperfine Structure of 255Fm (Z=100)

Study of thorium in hypersonic gas jets: Ionization potentials of Th and Th+

Ab initio multiconfigurational calculations of experimentally significant energy levels and transition rates in Lr I (Z=103)

High-Resolution Laser Spectroscopy on the Hyperfine Structure of $^{255}$ Fm (Z=100)

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

$Ab initio$ multiconfigurational calculations of experimentally significant energy levels and transition rates in Lr I $(Z = 103)$