| Observation of High-j Two-Quasiparticle Bands in Odd-Odd ^174Re |
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| 作者姓名： | 张玉虎 郭松 周小红 马龙 Oshima M. Toh Y. Koizumi M. Osa A. Kimura A. Hatsukawa Y. Sugawara M. Kusakari H. |
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| 作者单位： | [1]Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000 [2]Graduate School of Chinese Academy of Sciences, Bejing 100039 [3]Japan Atomic Energy Research Institute, Tokai-mura, Ibaraki 319-1195, Japan [4]Chiba Institute of Technology, Narashino, Chiba 275-0023, Japan [5]Chiba University, Inage-ku, Chiba 263-8512, Japan |
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| 基金项目： | Supported by the National Natural Sciences Foundation of China under Grant Nos 10375077, 10025525, and 10221003, the 100 Persons Project of Chinese Academy of Sciences, and the Major State Basic Research Development Programme of China under Contract No G2000077400. |
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| 摘 要： | High spin states in ^174Re have been investigated via the ^152Sm （^27 Al, 5nγ） ^174Re reaction. Gamma-ray excitation functions, x-γ and γ-γ coincidences have been measured. Two rotational bands built on the πh9/2 × vi13/2 and πh11/2 × vi13/2 configurations have been identified and extended up to high-spin states. The relative spin and parity of the band levels have been unambiguously fixed due to observations of several inter-band transitions. Both the bands show the low-spin signature inversion, which is consistent with systematic expectations for the high-j two-quasiparticle bands in the A = 170 mass region.
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| 关 键 词： | ^174Re 高速旋转状态 准粒子带 激励函数 |
| 收稿时间： | 2005-08-17 |
| 修稿时间： | 2005-08-17 |
Observation of High-j Two-Quasiparticle Bands in Odd-Odd ^174Re |
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| ZHANG Yu-Hu, GUO Song, ZHOU Xiao-Hong, MA Long, Oshima M., Toh y., Koizumi M., Osa A., Kimura A., Hatsukawa y., Sugawara M., Kusakari H..Observation of High-j Two-Quasiparticle Bands in Odd-Odd ^174Re[J].Chinese Physics Letters,2005,22(11):2788-2791. |
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| Authors: | ZHANG Yu-Hu GUO Song ZHOU Xiao-Hong MA Long Oshima M Toh y Koizumi M Osa A Kimura A Hatsukawa y Sugawara M Kusakari H |
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