Deformed rotational cascades in 152Dy: Further evidence for shape coexistence at high spin

M. B. Smith, D. E. Appelbe, P. J. Twin, C. W. Beausang, F. A. Beck, M. A. Bentley, D. M. Cullen, D. Curien, P. J. Dagnall, G. De France, G. Duchêne, S. Ertürk, Ch Finck, B. Haas, I. M. Hibbert, J. C. Lisle, B. M. Nyakó, C. D. O'Leary, C. Rigollet, H. SavajolsJ. Simpson, O. Stézowski, J. Styczeń, J. P. Vivien, K. Zuber

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Two new rotational bands have been observed in the 152Dy nucleus following experiments performed using the EUROGAM γ-ray spectrometer. Several transitions have been observed that link these new bands into the known single-particle states. Using the Doppler shift attenuation method, the quadrupole moment of the previously-known rotational sequence has been measured. The value of Qband=3.85±0.06 e b confirms the deformed nature of this cascade. The structures of the three bands are discussed in terms of the occupation of both paired and unpaired orbitals, and are found to be in good agreement with theoretical calculations. The observation of two new bands further extends the concept of shape coexistence in the 152Dy nucleus.

Original languageEnglish
Article number034314
Pages (from-to)343141-343148
Number of pages8
JournalPhysical Review C - Nuclear Physics
Issue number3
Publication statusPublished - Mar 2000

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Smith, M. B., Appelbe, D. E., Twin, P. J., Beausang, C. W., Beck, F. A., Bentley, M. A., Cullen, D. M., Curien, D., Dagnall, P. J., De France, G., Duchêne, G., Ertürk, S., Finck, C., Haas, B., Hibbert, I. M., Lisle, J. C., Nyakó, B. M., O'Leary, C. D., Rigollet, C., ... Zuber, K. (2000). Deformed rotational cascades in 152Dy: Further evidence for shape coexistence at high spin. Physical Review C - Nuclear Physics, 61(3), 343141-343148. [034314].