Abstract
We have measured the -shell internal conversion coefficient, , for the 88.2-keV transition from the 106-day isomer to the ground state in to be 484(6). When compared with Dirac-Fock calculations of , this result agrees well with the version of the theory that incorporates the effect of the -shell atomic vacancy and disagrees with the one that does not. As a byproduct of this measurement, we have determined the branching from the isomer to be 2.14(3)%.
- Received 24 February 2017
DOI:https://doi.org/10.1103/PhysRevC.95.034325
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