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利用两准粒子加轴对称转子模型,对A=100质量区两个奇奇核102Rh和9 8Rh的旋称反转进行了研究.结果表明,在A=160,130,80三个质量区奇奇核的计算中 已得到证实的、可能的旋称反转机制(即低K空间n-p相互作用和科氏力的相互竞争),对 于A=100质量区奇奇核也是适用的.这暗示在不同质量区奇奇核可能存在一种普遍的旋称 反转机制.
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关键词:
- 奇奇核 /
- 旋称反转 /
- 两准粒子加轴对称转子模型
With the model of an axially symmetric rotor plus two quasi-particles, the signature inversion (SI) in two odd-odd nuclei 102Rh and 98Rh in the mass region A=100 is studied. The calculated result shows that the possible SI mechanism, which has been confirmed by the calculation of odd-od d nuclei in the A=160 and A=80 regions (i e, the competition between the n-p interaction and the coriolis force in low K space) is also appropriate for odd-odd nuclei in the A=100 region. This seems to indicate that there mi ght be a universal mechanism of SI in odd-odd nuclei for different mass regions.-
Keywords:
- odd-odd nuclei /
- signature inversion /
- axially symmetric rotor plus two quasi-part icles model
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