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Early onset of deformation in the neutron-deficient polonium isotopes

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, , Citation T E Cocolios et al 2012 J. Phys.: Conf. Ser. 381 012072 DOI 10.1088/1742-6596/381/1/012072

1742-6596/381/1/012072

Abstract

In-source laser spectroscopy has been performed at CERN-ISOLDE with the RILIS laser ion source on 191–204,206,208–211,216,218Po. New information on the β decay of 199Po were extracted in the process, challenging previous results. Large-scale atomic calculations were performed to extract the changes in the mean-square charge radius δ⟨r2⟩ from the isotope shifts. The δ⟨r2⟩ for the even-A isotopes reveal a large deviation from the spherical droplet model for N < 116.

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10.1088/1742-6596/381/1/012072