摘要
The spectroscopy of 157Yb has been studied via 144Sm(16O,3n)157Yb fusion-evaporation reaction. The properties of bands associated with the νi13/2 orbital and νh9/2 orbital in 157Yb are analyzed in comparison with the triaxial particle-rotor-model calculations. The characters of signature splitting for both positive-parity νi13/2 and negative-parity νh9/2 bands in 157Yb and heavier odd-A Yb isotopes are discussed. The newly observed bands 1 and 2 in 157Yb are suggested to be the signature partners of the νh9/2 band. A systematic study of the band crossing frequencies associated with the i13/2 neutron-pair and h11/2 proton-pair alignments for the Yb isotopes, as well as the Er and Hf isotopes, are made.
| 源语言 | 英语 |
|---|---|
| 文章编号 | 034325 |
| 期刊 | Physical Review C - Nuclear Physics |
| 卷 | 87 |
| 期 | 3 |
| DOI | |
| 出版状态 | 已出版 - 26 3月 2013 |
| 已对外发布 | 是 |
指纹
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