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- Title
High-resolution laser resonance ionization spectroscopy of 143-147Pm.
- Authors
Studer, Dominik; Ulrich, Jiri; Braccini, Saverio; Carzaniga, Tommaso Stefano; Dressler, Rugard; Eberhardt, Klaus; Heinke, Reinhard; Köster, Ulli; Raeder, Sebastian; Wendt, Klaus
- Abstract
We present the results of high-resolution laser spectroscopy of the long-lived radioactive isotopes 143 - 147 Pm. The hyperfine structures and isotope shifts in two different atomic ground-state transitions at 452 nm and 468 nm were probed by in-source laser spectroscopy at the RISIKO mass separator in Mainz, using the PI-LIST ion source. From the hyperfine coupling constants the nuclear magnetic dipole and electric quadrupole moments for 143 - 147 Pm were derived, and the measured isotope shifts allowed the extraction of changes in nuclear mean square charge radii.
- Subjects
MAINZ (Germany : Landkreis); RESONANCE ionization spectroscopy; HYPERFINE structure; ELECTRIC dipole moments; HYPERFINE coupling; ISOTOPE shift; ATOMIC transitions; LASER spectroscopy
- Publication
European Physical Journal A -- Hadrons & Nuclei, 2020, Vol 56, Issue 2, p1
- ISSN
1434-6001
- Publication type
Article
- DOI
10.1140/epja/s10050-020-00061-8