Chin. Phys. Lett.  2008, Vol. 25 Issue (5): 1633-1635    DOI:
Original Articles |
Prolate and Oblate Shape Coexistence in 188Pt
LIU Yuan1,2;ZHOU Xiao-Hong1,2;ZHANG Yu-Hu1,2;ZHENG-Yong1;LIU Min-Liang1;GUO Ying-Xiang1;M. Oshima3;Y. Toh3;M. Koizumi3; A. Osa3;Y. Hatsukawa3;SUN Yang4
1Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 7300002Graduate school of the Chinese Academy of Sciences, Beijing 1000393Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan4Department of Physics, Shanghai Jiao Tong University, Shanghai 200240
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LIU Yuan, ZHOU Xiao-Hong, ZHANG Yu-Hu et al  2008 Chin. Phys. Lett. 25 1633-1635
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Abstract A standard in-beam γ-spectroscopy experiment for 188Pt is performed via the
176Yb(18O, 6n) reaction at beam energies of 88 and 95MeV, and the level scheme for 188Pt is established. Prolate and oblate shape coexistence has been demonstrated to occur in 188Pt by applying the projected shell model. The rotation alignment of i13/2 neutrons drives the yrast sequence changing
suddenly from prolate to oblate shape at angular momentum 10h, indicating likely a new type of shape phase transition along the yrast line in 188Pt.
Keywords: 27.70.+q      21.10.Re      23.20.Lv     
Received: 19 January 2008      Published: 29 April 2008
PACS:  27.70.+q (150 ≤ A ≤ 189)  
  21.10.Re (Collective levels)  
  23.20.Lv (γ-transitions and level energies)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2008/V25/I5/01633
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Articles by authors
LIU Yuan
ZHOU Xiao-Hong
ZHANG Yu-Hu
ZHENG-Yong
LIU Min-Liang
GUO Ying-Xiang
M. Oshima
Y. Toh
M. Koizumi
A. Osa
Y. Hatsukawa
SUN Yang
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[9] Hara K et al 1995 Int. J. Mod. Phys. E 4 637
[10] Bengtsson T et al 1985 Nucl. Phys. A 436 14
[11] Sun Y et al 2008 Phys. Lett. B 659 165
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