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Theoretical Study on Negative Parity States of 191,193,195,197Au in Particle Triaxial-Rotor Model |
| CHEN Guo-Jie1;LIU Yu-Xin2,3,4,5;CAO Hui1;SONG Hui-Chao6 |
| 1School of Science, Foshan University, Foshan 528000
2Department of Physics, Peking University, Beijing 100871
3The Key Laboratory of Heavy Ion Physics (Ministry of Education), Peking University, Beijing 100871
4Institute of Theoretical Physics, Chinese Academy Sciences, Beijing 100080
5Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000
6Department of Physics, Ohio State University, Columbus, OH43210, USA |
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| Cite this article: |
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CHEN Guo-Jie, LIU Yu-Xin, CAO Hui et al 2006 Chin. Phys. Lett. 23 2042-2045 |
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Abstract By taking the particle triaxial-rotor model with variable moment of inertia, we investigate the energy spectra, the deformation and the single particle configuration of the negative-parity states in nuclei 191,193,195,197Au systemically. The calculated energy spectra agree well with experimental data. The obtained results indicate that the negative-parity states in 191,193,195,197Au originate from the proton-hole h11/2 configuration coupled to a triaxial oblate Hg core. Meanwhile the main single particle configuration of the bands 1, 2 and 3 are identified to be |5h11/2 1/2 > (α= - 1/2), |5h11/2 > (α= 1/2) and |5h9/2 7/2>;, respectively.
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| Keywords:
21.10.Re
21.60.Ev
21.10.Pc
27.80.+w
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Published: 01 August 2006
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