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Two new rotational bands have been observed in the 152 Dy 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 Q band =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 152 Dy nucleus.

Type

Journal article

Journal

Physical review c - nuclear physics

Publication Date

01/01/2000

Volume

61

Pages

343141 - 343148