Mixing of two-quasineutron and two-quasiproton Kπ=6+ configurations in the vicinity of 174Yb

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JIAO Chang-Feng, DONG Guo-Xiang and XU Fu-Rong. Mixing of two-quasineutron and two-quasiproton Kπ=6+ configurations in the vicinity of 174Yb[J]. Chinese Physics C, 2013, 37(3): 034102. doi: 10.1088/1674-1137/37/3/034102
JIAO Chang-Feng, DONG Guo-Xiang and XU Fu-Rong. Mixing of two-quasineutron and two-quasiproton Kπ=6+ configurations in the vicinity of 174Yb[J]. Chinese Physics C, 2013, 37(3): 034102.  doi: 10.1088/1674-1137/37/3/034102 shu
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Received: 2012-06-05
Revised: 1900-01-01
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Mixing of two-quasineutron and two-quasiproton Kπ=6+ configurations in the vicinity of 174Yb

    Corresponding author: XU Fu-Rong,

Abstract: In the framework of the projected shell model, we investigate the competition between the two-quasineutron and two-quasiproton Kπ=6+ states in the ytterbium isotopes and N=104 isotones adjacent to 174Yb. The 174Yb results are compared with the experimental data. The Kπ=6+ isomer observed in 174Yb is assigned as an admixture of the ν7/2-[514]×ν5/2-[512] and π7/2+[404]×π5/2+[402] intrinsic structure, which explains the experimental |gK-gR| value. Similar mixing would appear in 172Yb, 176Hf, and 178W. The low-lying Kπ=6+ states are also predicted in 170-178Yb.

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