Nuclear moments and charge radii of neutron-deficient francium isotopes and isomers

A. Voss, F. Buchinger, B. Cheal, J. E. Crawford, J. Dilling, M. Kortelainen, A. A. Kwiatkowski, A. Leary, C. D.P. Levy, F. Mooshammer, M. L. Ojeda, M. R. Pearson, T. J. Procter, W. Al Tamimi

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

Collinear laser fluorescence spectroscopy has been performed on the ground and isomeric states of Fr204,206 in order to determine their spins, nuclear moments, and changes in mean-squared charge radii. A new experimental technique has been developed as part of this work which much enhances the data collection rate while maintaining the high resolution. This has permitted the extension of this study to the two isomeric states in each nucleus. The investigation of nuclear g factors and mean-squared charge radii indicates that the neutron-deficient Fr isotopes lie in a transitional region from spherical towards more collective structures.

Original languageEnglish
Article number044307
JournalPhysical Review C - Nuclear Physics
Volume91
Issue number4
DOIs
StatePublished - Apr 8 2015
Externally publishedYes

Funding

FundersFunder number
Science and Technology Facilities CouncilST/I004726/2, ST/L005689/1, ST/L005670/1
Science and Technology Facilities Council

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