Study of the vi13/2-1 band in 189Pt

High-spin levels of 189Pt have been studied with the in-beam γ-spectroscopy method via the 176Yb(18O,5n) reaction at the beam energies of 88 and 95 MeV. The previously known vi13/2-1 band has been confirmed, and its unfavored signature branch extended up to the 31/2+ state. Within the framework of the triaxial particle-rotor model, the vi13/2-1 band is suggested to be associated with the 11/2[615] configuration, and to have triaxial deformation.

作 者： HUA Wei ZHOU Xiao-Hong ZHANG Yu-Hu GUO Ying-Xiang Oshima M. Toh Y. Koizumi M. Osa A. Hatsukawa Y. QI Bin ZHANG Shuang-Quan MENG Jie Sugawara M.   作者單位： HUA Wei,ZHOU Xiao-Hong,ZHANG Yu-Hu(Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;Graduate University of Chinese Academy of Sciences, Beijing 100049, China)

GUO Ying-Xiang(Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China)

Oshima M.,Toh Y.,Koizumi M.,Osa A.,Hatsukawa Y.(Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan)

QI Bin,ZHANG Shuang-Quan,MENG Jie(School of Physics, and State-Key Lab. Nucl. Phys. & Tech., Peking University, Beijing 100871, China)

Sugawara M.(Chiba Institute of Technology, Narashino, Chiba 275-0023, Japan) 

刊 名： 中國物理C（英文版）  ISTIC 英文刊名： CHINESE PHYSICS　C  年，卷(期)： 2009 33(9)  分類號： O4  關鍵詞： high-spin state   configuration   particle-rotor model  

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