Strength of octupole correlations in the actinides: contrasting behavior in the isotones 237U and 239Pu

A study of high spin states in the odd-neutron isotones 239Pu and 237U is reported. Striking differences were found in the high-spin properties of rotational bands built on the 1/2+[631] ground states in these two nuclei. These differences mirror those observed in the even–even Pu and U immediate ne...

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Bibliographic Details
Published in:Physics letters. B 2005-07, Vol.618 (1-4), p.51-59
Main Authors: Zhu, S., Janssens, R.V.F., Lane, G.J., Wiedenhöver, I., Carpenter, M.P., Ahmad, I., Byrne, A.P., Chowdhury, P., Cline, D., Deacon, A.N., Dracoulis, G.D., Freeman, S.J., Hammond, N.J., Jones, G.D., Khoo, T.L., Kondev, F.G., Lauritsen, T., Lister, C.J., Macchiavelli, A.O., Moore, E.F., Seweryniak, D., Smith, J.F., Wu, C.Y.
Format: Article
Language:English
Subjects:
Exact sciences and technology
Nuclear physics
Physics
The physics of elementary particles and fields
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Summary:A study of high spin states in the odd-neutron isotones 239Pu and 237U is reported. Striking differences were found in the high-spin properties of rotational bands built on the 1/2+[631] ground states in these two nuclei. These differences mirror those observed in the even–even Pu and U immediate neighbors and appear to be related to the strength of octupole correlations.
ISSN:0370-2693
1873-2445
DOI:10.1016/j.physletb.2005.05.039