High-spin yrast states in the γ-soft nuclei 135Pr and 134Ce

E. S. Paul, C. Fox, A. J. Boston, H. J. Chantler, C. J. Chiara, R. M. Clark, M. Cromaz, M. Descovich, P. Fallon, D. B. Fossan, A. A. Hecht, T. Koike, I. Y. Lee, A. O. MacChiavelli, P. J. Nolan, K. Starosta, R. Wadsworth, I. Ragnarsson

研究成果: Article査読

5 被引用数 (Scopus)

抄録

High-spin states have been studied in 59135Pr, populated through the 116Cd(23Na,4n) reaction at 115 MeV, using the Gammasphere γ-ray spectrometer. The negative-parity yrast band has been significantly extended to spin ∼45 and excitation energy 21.5 MeV, showing evidence for several rotational alignments. The positive-parity yrast band of 58134Ce, populated through the p4n channel of this reaction, was also populated to spin ∼38 and excitation energy 18 MeV. Cranking calculations indicate that these nuclei are soft with respect to the triaxiality parameter γ and that several competing nuclear shapes occur at high spin.

本文言語English
論文番号047302
ジャーナルPhysical Review C - Nuclear Physics
84
4
DOI
出版ステータスPublished - 2011 10 17

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学

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