LOW-LYING SPECTRA AND E2 TRANSITION RATES IN EVEN-EVEN Pd ISOTOPES IN THE INTERACTING BOSON MODEL

• 来源期刊: 中国物理（英文版）
• 学科: 物理学
• 关键词: Spectra electromagnetic transition positive parity low-lying collective state staggering phenomenon
• 年，卷（期）: 2001,（3）
• 所属期刊栏目: NUCLEAR PHYSICS
• 页码范围: 194-201
• 页数: 8页
• 分类号: O4
• 语种: 英文

摘要

The positive parity collective states in the even-even 100Pd-116Pd isotopes are studied in the framework of the interacting boson model. A schematic Hamiltonian capable of describing their spectra and transition is used. It is found that the spectra can be well described by a U(5) plus SU(3) perturbation interaction. As the valence neutron number changes, the structure of the isotopes shows regular patterns of change. In the meantime, the behaviour of 01/2 can also be partially described by the model.