Levels in 210Fr and the decay of a high-spin, multi-particle isomer

V. Margerin, G. J. Lane, G. D. Dracoulis, N. Palalani, M. L. Smith

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    1 Citation (Scopus)


    The structure of 210Fr has been studied through the 197Au(18O, 5n)210Fr reaction. A high-spin iso-meric state has been identified at ∼4.4 MeV. It has a lifetime of 686(17) ns and decays by two γ-rays that are very likely to be either M2 or E3 multipolarity. The measured strengths in the case of E3 assignments are ap-proximatively 8 and 21 W.u., respectively. These would be less enhanced than is observed in the decay from the high spin isomers in 209Fr and 211Fr that are believed to be from a related configuration. Possible configuration assignments are discussed.

    Original languageEnglish
    Article number06003
    JournalEPJ Web of Conferences
    Publication statusPublished - 2012
    Event1st Heavy Ion Accelerator Symposium on Fundamental and Applied Science, HIAS 2012 - Canberra, ACT, Australia
    Duration: 11 Apr 201213 Apr 2012


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