Prolate and oblate rotational bands in 136Sm

E. S. Paul, S. Davis, P. Vaska, P. J. Bishop, S. A. Forbes, D. B. Fossan, Y. J. He, J. R. Hughes, I. Jenkins, Y. Liang, R. Ma, M. S. Metcalfe, S. M. Mullins, P. J. Nolan, R. J. Poynter, P. H. Regan, R. Wadsworth, N. Xu

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27 Scopus citations

Abstract

Six rotational bands have been established in 136Sm following heavy-ion induced reactions carried out at the Nuclear Structure Facility, Daresbury. The yrast band has been observed up to Ipi=(24 +) and undergoes three band-crossings. A band was observed built on the low-lying 2+ gamma-vibrational state, in addition to two negative parity sidebands built on two-quasiproton excitations. A dipole band showing the characteristics of collective oblate rotation was also established. The results are discussed in terms of total Routhian surface and cranked Woods-Saxon model calculations.

Original languageEnglish (US)
Article number007
Pages (from-to)861-876
Number of pages16
JournalJournal of Physics G: Nuclear and Particle Physics
Volume19
Issue number6
DOIs
StatePublished - Dec 1 1993
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Paul, E. S., Davis, S., Vaska, P., Bishop, P. J., Forbes, S. A., Fossan, D. B., He, Y. J., Hughes, J. R., Jenkins, I., Liang, Y., Ma, R., Metcalfe, M. S., Mullins, S. M., Nolan, P. J., Poynter, R. J., Regan, P. H., Wadsworth, R., & Xu, N. (1993). Prolate and oblate rotational bands in 136Sm. Journal of Physics G: Nuclear and Particle Physics, 19(6), 861-876. [007]. https://doi.org/10.1088/0954-3899/19/6/007