N=151Pu, Cm and Cf nuclei under rotational stress: Role of higher-order deformations

S. S. Hota, P. Chowdhury*, T. L. Khoo, M. P. Carpenter, R. V.F. Janssens, Y. Qiu, I. Ahmad, J. P. Greene, S. K. Tandel, D. Seweryniak, S. Zhu, P. F. Bertone, C. J. Chiara, A. Y. Deo, N. D'Olympia, S. Gros, C. J. Guess, T. Harrington, D. J. Hartley, G. HenningC. R. Hoffman, E. G. Jackson, F. G. Kondev, S. Lakshmi, T. Lauritsen, C. J. Lister, E. A. McCutchan, K. Moran, C. Nair, D. Peterson, U. Shirwadkar, I. Stefanescu

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    8 Citations (Scopus)

    Abstract

    Fast-rotating N=151 isotones 245Pu, 247Cm and 249Cf have been studied through inelastic excitation and transfer reactions with radioactive targets. While all have a ground-state band built on a νj15/2[734]9/2- Nilsson configuration, new excited bands have also been observed in each isotone. These odd-N excited bands allow a comparison of the alignment behavior for two different configurations, where the νj15/2 alignment is either blocked or allowed. The effect of higher order deformations is explored through cranking calculations, which help clarify the elusive nature of νj15/2 alignments.

    Original languageEnglish
    Pages (from-to)13-18
    Number of pages6
    JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
    Volume739
    DOIs
    Publication statusPublished - 2 Dec 2014

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