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In-gas laser ionization and spectroscopy of actinium isotopes near the N=126 closed shell

  • C. Granados
  • , P. Creemers
  • , R. Ferrer
  • , L. P. Gaffney
  • , W. Gins
  • , R. De Groote
  • , M. Huyse
  • , Yu Kudryavtsev
  • , Y. Martínez
  • , S. Raeder
  • , S. Sels
  • , C. Van Beveren
  • , P. Van Den Bergh
  • , P. Van Duppen
  • , K. Wrzosek-Lipska
  • , A. Zadvornaya
  • , A. E. Barzakh
  • , B. Bastin
  • , P. Delahaye
  • , L. Hijazi
  • N. Lecesne, F. Luton, J. Piot, H. Savajols, J. C. Thomas, E. Traykov, R. Beerwerth, S. Fritzsche, M. Block, X. Fléchard, S. Franchoo, L. Ghys, H. Grawe, R. Heinke, T. Kron, P. Naubereit, K. Wendt, M. Laatiaoui, I. Moore, V. Sonnenschein, M. Loiselet, E. Mogilevskiy, S. Rothe

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

The in-gas laser ionization and spectroscopy (IGLIS) technique was applied on the Ac212-215 isotopes, produced at the Leuven Isotope Separator On-Line (LISOL) facility by using the in-gas-cell and the in-gas-jet methods. The first application under on-line conditions of the in-gas-jet laser spectroscopy method showed a superior performance in terms of selectivity, spectral resolution, and efficiency in comparison with the in-gas-cell method. Following the analysis of both experiments, the magnetic-dipole moments for the Ac212-215 isotopes, electric-quadrupole moments and nuclear spins for the Ac214,215 isotopes are presented and discussed. A good agreement is obtained with large-scale nuclear shell-model calculations by using a Pb208 core.

Original languageEnglish
Article number054331
JournalPhysical Review C
Volume96
Issue number5
DOIs
StatePublished - 29 Nov 2017
Externally publishedYes

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