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Direct Evidence for Octupole Deformation in Ba146 and the Origin of Large E1 Moment Variations in Reflection-Asymmetric Nuclei
2017
Physical Review Letters
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Despite the more than one order of magnitude difference between the measured dipole moments in ^144Ba and ^146Ba, the strength of the octupole correlations in ^146Ba are found to be as strong as those in ^144Ba with a similarly large value of B(E3;3^- → 0^+) determined as 48(^+21_-29) W.u. The new results not only establish unambiguously the presence of a region of octupole deformation centered on these neutron-rich Ba isotopes, but also manifest the dependence of the electric dipole moments on
doi:10.1103/physrevlett.118.152504
pmid:28452498
fatcat:skrhgjsbgzdflo2odpclsexsxu