High-K negative parity states in 184Os -: art. no. 064310

被引：15
|
作者：
Shizuma, T [1 ]
Stevenson, PD
Walker, PM
Toh, Y
Hayakawa, T
Oshima, M
Furuno, K
Komatsubar, T
机构：
[1] Japan Atom Energy Res Inst, Tokai, Ibaraki 3191195, Japan
[2] Univ Surrey, Dept Phys, Surrey GU2 7XH, England
[3] Univ Tsukuba, Inst Phys, Tsukuba, Ibaraki 3058577, Japan
来源：
PHYSICAL REVIEW C | 2002年 / 65卷 / 06期
关键词：
D O I：
10.1103/PhysRevC.65.064310
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
High-spin states in Os-184 have been studied using the Er-170(O-18,4n) reaction at a beam energy of 85 MeV. Several new negative parity levels including a 48-ns K-pi=(18(-)) isomer have been identified. Nilsson configurations for the levels are assigned by comparison with multiquasiparticle calculations. Potential-energy-surface calculations show an increasing influence of triaxiality in nuclear shapes at higher spins. The decay rate of the K-pi=(18(-)) isomer is discussed in relation to the role of the K quantum number.
引用
收藏
页码：643101 / 6431012
页数：12
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