Octupole correlations in the structure of O2 bands in the N=88 nuclei150Sm Gd
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Date
2013
Journal Title
Journal ISSN
Volume Title
Publisher
American Physical Society
Abstract
Knowledge of the exact microscopic structure of the 01
+ ground state and first excited 02
+ state in 150Sm is
required to understand the branching of double β decay to these states from 150Nd. The detailed spectroscopy of
150Sm and 152Gd has been studied using (α,xn) reactions and the γ -ray arrays AFRODITE and JUROGAM II.
Consistently strong E1 transitions are observed between the excited Kπ = 02
+ bands and the lowest negative
parity bands in both nuclei. These results are discussed in terms of the possible permanent octupole deformation
in the first excited Kπ = 02
+ band and also in terms of the “tidal wave” model of Frauendorf.
Description
Keywords
Octupole, Microscopic structure, Permanent octupole deformation
Citation
Bvumbi, S.P. et al. (2013). Octupole correlations in the structure of O2 bands in the N=88 nuclei150Sm Gd. Physical Review C, 87: 044333