Title: Determination of the first ionization potential of actinium
Authors: Roßnagel, J. ×
Raeder, S.
Hakimi, A.
Ferrer, Rafael
Trautmann, N.
Wendt, K. #
Issue Date: 31-Jan-2012
Publisher: Published by the American Physical Society through the American Institute of Physics
Series Title: Physical Review A, Atomic, Molecular and Optical Physics vol:85 issue:1 pages:012525
Article number: 012525
Abstract: Using resonance ionization spectroscopy the first-ionization potential of actinium has been determined by
analyzing different Rydberg series in two-color resonant laser excitation. Three individual Rydberg series were
investigated, converging toward the ionic ground state and toward the first- and second-excited state of the
actinium ion, respectively. A combined analysis of the convergence limits leads to a consistent value for the
first-ionization potential of Ac of 43 394.45 (19) cm−1, equivalent to 5.380 226 (24) eV.
ISSN: 2469-9926
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Nuclear and Radiation Physics Section
× corresponding author
# (joint) last author

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