The intruder orbitals in superdeformed bands and alignment additivity of odd–odd nuclei in the region

✍ Scribed by X.T. He; S.Y. Yu; J.Y. Zeng; E.G. Zhao

• Publisher: Elsevier Science
• Year: 2005
• Tongue: English
• Weight: 175 KB
• Volume: 760
• Category: Article
• ISSN: 0375-9474
• DOI: 10.1016/j.nuclphysa.2005.06.006

✦ Synopsis

The particle-number conserving (PNC) method for treating the cranked shell model with monopole and quadrupole pairing correlations is used to study the superdeformed (SD) bands observed in odd-odd nuclei in the A ∼ 190 mass region. Spins are assigned to the levels in these bands. The microscopic mechanism of the hω evolution of the dynamic moment of inertia J (2) for these SD bands are analyzed. In particular, the major roles of the j 15/2 neutron and i 13/2 proton orbitals played in the SD bands are investigated in detail by contributions to J (2) from each cranked orbital and interference terms between two cranked orbitals. Additivity in the A ∼ 190 mass region is investigated. The experimental evidence for additivity of alignments in 192 Tl can be reproduced by our calculations.