In-gas-cell laser ionization spectroscopy in the vicinity of Sn-100: Magnetic moments and mean-square charge radii of N=50-54 Ag

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  • Nele Kesteloot
  • Rafael Ferrer
  • Nick Bree
  • Thomas Elias Cocolios
  • Ian Gerard Darby
  • Hilde De Witte
  • Wim Dexters
  • Jan Diriken
  • Jytte Elseviers
  • Serge Franchoo
  • Mark Huyse
  • Yuri Kudryavtsev
  • Dieter Pauwels
  • Deyan Radulov
  • Tomas Roger
  • H Savajols
  • Piet Van Duppen
  • Martin Venhart

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In-gas-cell laser ionization spectroscopy studies on the neutron deficient Ag97-101 isotopes have been performed with the LISOL setup. Magnetic dipole moments and mean-square charge radii have been determined for the first time with the exception of Ag-101, which was found in good agreement with previous experimental values. The reported results allow tentatively assigning the spin of Ag-97,Ag-99 to 9/2 and confirming the presence of an isomeric state in these two isotopes, whose collapsed hyperfine structure suggests a spin of 1/2. The effect of the N = 50 shell closure is not only manifested in the magnetic moments but also in the evolution of the mean-square charge radii of the isotopes investigated, in accordance with the spherical droplet model predictions.


Original languageEnglish
Pages (from-to)191-197
JournalPhysics Letters B
Publication statusPublished - 20 Jan 2014


  • laser ionization, in-gas-cell, magnetic moment, Ag

ID: 384014