Deexcitation from superdeformed bands in Tb151 and neighboring A∼150 nuclei

D. Curien, G. De France, C. W. Beausang, F. A. Beck, T. Byrski, S. Clarke, P. Dagnall, G. Duchêne, S. Flibotte, S. Forbes, P. D. Forsyth, B. Haas, M. A. Joyce, B. Kharraja, B. M. Nyakó, C. Schück, J. Simpson, C. Theisen, P. J. Twin, J. P. VivienL. Zolnai

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Relative intensities of the yrast and the first excited superdeformed bands in Tb151 have been accurately measured, with the EUROGAM spectrometer. It is shown that he excited band depopulates at the same freqeuncy and spin as its identical band in the isotone Dy152 whereas the yrast band deexcites at higher rotational frequency and spin even though it is much lower in excitation energy. A classification of superdeformed bands in the A∼150 mass region indicates that the decay-out mechanism is strongly affected by neutron pairing correlations and the occupancy of high-N intruder orbitals.

Original languageEnglish
Pages (from-to)2559-2562
Number of pages4
JournalPhysical review letters
Issue number16
Publication statusPublished - 1993

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Curien, D., De France, G., Beausang, C. W., Beck, F. A., Byrski, T., Clarke, S., Dagnall, P., Duchêne, G., Flibotte, S., Forbes, S., Forsyth, P. D., Haas, B., Joyce, M. A., Kharraja, B., Nyakó, B. M., Schück, C., Simpson, J., Theisen, C., Twin, P. J., ... Zolnai, L. (1993). Deexcitation from superdeformed bands in Tb151 and neighboring A∼150 nuclei. Physical review letters, 71(16), 2559-2562.