Signature splitting in 129Ce

中国物理C, 2009, 33(z1): 212-214.

^1, , ^2, , ^3, , ^4, , ^5, , ^6, , ^7, , ^8, , ^9, , ^10, , ^11, , ^12,

1.China Institute of Atomic Energy, Beijing 102413, China

2.China Institute of Atomic Energy, Beijing 102413, China

3.China Institute of Atomic Energy, Beijing 102413, China;Faculty of Science, Shenzhen University, Shenzhen 518060, China

4.China Institute of Atomic Energy, Beijing 102413, China

5.China Institute of Atomic Energy, Beijing 102413, China

6.China Institute of Atomic Energy, Beijing 102413, China

7.China Institute of Atomic Energy, Beijing 102413, China

8.China Institute of Atomic Energy, Beijing 102413, China

9.China Institute of Atomic Energy, Beijing 102413, China

10.China Institute of Atomic Energy, Beijing 102413, China

11.Peking University, Beijing 100871, China

12.Tsinghua University, Beijing 100084, China

基金项目: 国家自然科学基金(10775184;10575092;10675171;10375092;10575133) 国家重点基础研究发展规划(973计划)(2007CB815000)

Signature splitting in 129Ce

LIU Ying ^1, , WU Xiao-Guang ^2, , ZHU Li-Hua ^3, , LI Guang-Sheng ^4, , HE Chuang-Ye ^5, , LI Xue-Qin ^6, , PAN Bo ^7, , HAO Xin ^8, , LI Li-Hua ^9, , WANG Zhi-Min ^10, , LI Zhong-Yu ^11, , XU Qiang ^12,

1.China Institute of Atomic Energy, Beijing 102413, China

2.China Institute of Atomic Energy, Beijing 102413, China

3.China Institute of Atomic Energy, Beijing 102413, China;Faculty of Science, Shenzhen University, Shenzhen 518060, China

4.China Institute of Atomic Energy, Beijing 102413, China

5.China Institute of Atomic Energy, Beijing 102413, China

6.China Institute of Atomic Energy, Beijing 102413, China

7.China Institute of Atomic Energy, Beijing 102413, China

8.China Institute of Atomic Energy, Beijing 102413, China

9.China Institute of Atomic Energy, Beijing 102413, China

10.China Institute of Atomic Energy, Beijing 102413, China

11.Peking University, Beijing 100871, China

12.Tsinghua University, Beijing 100084, China

Keywords： triaxiality

The high spin states of 129Ce have been populated via heavy-ion fusion evaporation reaction 96Mo (37C1, 1p3n) 129Ce. The γ-γ coincidence and intensity balance used to measure the B(M1; I→I-1)/B(E2; I→I-2) (the probability ratio of the dipole and quadrupole transition) in v7/2[523] rotational band of 129Ce. And the energy splitting (Δe') has been got through the experimental Routhians. The lifetimes and quadrupole moments Qt have been extracted from the lineshape analyses using DSAM. The deformation of the v7/2[523] rotational band of 129Ce was extracted from the Qt and moment of inertia JRR.

参考文献

[1]	Price H G et al.[J].Physical Review Letters,1983,51:1842.
[2]	Hagemann G B et al.[J].Physical Review C,1989,40:2862.
[3]	Aryaeinejad R.[J].Journal of Physics G:Nuclear and Particle Physics,1984:10.

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