High-spin levels based on the 11/2- isomer in 135Ba |
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| Authors: | X L Che S J Zhu M L Li Y J Chen Y N U H B Ding L H Zhu X G Wu G S Li C Y He Y Liu |
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| Institution: | (1) Department of Physics, Tsinghua University, 100084 Beijing, PRC;(2) China Institute of Atomic Energy, 102413 Beijing, PRC |
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| Abstract: | High-spin states in the 135Ba nucleus have been studied with the reaction 130Te(9Be, 4n) at a beam energy of 45 MeV. The level scheme based on the h
11/2 isomer has been expanded with spins up to 35/2 ℏ. At low spins, the yrast collective structure built on the ν h
11/2
-1 multiplet may show a transitional shape with γ > 30° according to the systematical behavior observed in neighboring nuclei as well as the calculations of the triaxial rotor-plus-particle
model. The configurations for several high-spin states have been discussed from a systematical comparison with neighboring
isotones. |
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| Keywords: | 23 20 Lv γ transitions and level energies 21 60 Ev Collective models 27 60 +j 90 ⩽ A ⩽ 149 |
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