Signature Inversion in Oblate πh_(9/2)vi_(13/2) Band of ^(188)Tl  

作　　者：Ma Long Zhou Xiaohong Zhang Yuhu Guo Yingxiang M. Oshima Y. Toh M. Koizumi A. Osa Y. Hatsukawa M. Sugawara 

机构地区：[1]不详 [2]Japan atomic Energy Research Institute, Tokai. lbaraki 319-1195, Japan. [3]Chiba Institue of Technolgy, Narashino, Chiba 275 0023, Japan.

出　　处：《近代物理研究所和兰州重离子加速器实验室年报：英文版》2005年第1期49-49,共1页IMP & HIRFL Annual Report

摘　　要：High-spin Level structure of 188T1 has been studied via the 157Gd(35Cl, 4n) fusion-evaporation reaction at beam energy of 170 MeV. The 35Cl beam was provided by the JAERI tandem accelerator and impinged on an enriched 157Gd metallic foil of 2. 0 mg/cm2 thickness with a 6. 5 mg/cm2 Pb backing.γ-γ-t and X-γ-t measurements were performed by aγ-ray detector array consisting of 13 BGO(AC) HPGe's and 3 LOAX detectors. A total of about 270×106 coincidence events were accumulated. Prior to this work, an early in-High-spin Level structure of 188T1 has been studied via the 157Gd（35Cl, 4n） fusion-evaporation reaction at beam energy of 170 MeV. The 35Cl beam was provided by the JAERI tandem accelerator and impinged on an enriched 157Gd metallic foil of 2. 0 mg/cm2 thickness with a 6. 5 mg/cm2 Pb backing.γ-γ-t and X-γ-t measurements were performed by aγ-ray detector array consisting of 13 BGO（AC） HPGe＇s and 3 LOAX detectors. A total of about 270×106 coincidence events were accumulated.

关 键 词：SIGNATURE反转 日本原子能研究所 探测器阵列 串列加速器 能级结构 高自旋 能量束 金属箔 

分 类 号：O571.2[理学—粒子物理与原子核物理] TL411.5[理学—物理]