Abstract
High-spin states in [Formula Presented] were populated to investigate shape competition and shape coexistence phenomena in the single and three-quasiparticle regions. The thin-target experiment [Formula Presented] at 90 MeV was performed using the FSU Tandem-LINAC accelerator facility, and the FSU-PITT array of 10 Compton-suppressed Ge detectors for the collection of [Formula Presented] coincidence data. Construction of level schemes and assignments of decays, excitation energies, spins, and parities were achieved through examination of coincidence data, relative intensity measurements, and angular correlation analysis. A rotational sequence with band-head spin-parity [Formula Presented] was found and is compared to a similar band in [Formula Presented] A negative-parity three-quasiparticle band exhibiting rigid rotation was also discovered. In total, 65 new transitions and 36 new excitation states were added to the level scheme. Cranked-shell, Hartree-Fock-Bogoliubov, and particle-rotor coupling models are used in the interpretation.
| Original language | English |
|---|---|
| Pages (from-to) | 1339-1350 |
| Number of pages | 12 |
| Journal | Physical Review C - Nuclear Physics |
| Volume | 59 |
| Issue number | 3 |
| DOIs | |
| State | Published - 1999 |
| Externally published | Yes |
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