High-k structures in <sup>124</sup>Cs

YANG Dong (杨东); LU Jingbin (陆景彬); LIU Yunzuo (刘运祚); MA Keyan (马克岩); WANG Huidong (王辉东); WANG Lielin (王烈林); LIU Gongye (刘弓冶); LI Li (李黎); MA Yingjun (马英君); ZHU Lihua (竺礼华); et al

doi:10.1088/1009-0630/14/7/09

Plasma Science and Technology > 2012 > 14(7): 607-609. > DOI: 10.1088/1009-0630/14/7/09

YANG Dong (杨东), LU Jingbin (陆景彬), LIU Yunzuo (刘运祚), MA Keyan (马克岩), WANG Huidong (王辉东), WANG Lielin (王烈林), LIU Gongye (刘弓冶), LI Li (李黎), MA Yingjun (马英君), ZHU Lihua (竺礼华), et al. High-k structures in ¹²⁴Cs[J]. Plasma Science and Technology, 2012, 14(7): 607-609. DOI: 10.1088/1009-0630/14/7/09

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High-k structures in ¹²⁴Cs

1 Department of Physics, Jilin University, Changchun 130023, China 2 China Institute of Atomic Energy, Beijing 102413, China 3 Southwest University of Science and Technology, Sichuan 621010, China

Funds: supported by the National Natural Science Foundation of China (Nos. 10105003,11075064, 11075214,10927507) the Specialized Research Fund for the Doctoral Programme of Higher Education of China(No 20050183008), and the National Basic Research Programme of China (No 2007CB815005).

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Received Date: May 16, 2011

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Abstract

Abstract

High spin states in the odd-odd nucleus 124Cs have been investigated through the fusion-evaporation reaction 116Sn(11B, 3n)124Cs with a beam energy of 45 MeV. A new rotational band is established and assigned as the high-k configuration of ?g9/2[404]9/2+?νh11/2[523]7/2-. Some structures linking to this band have also been observed. According to the results of the excitation energy systematics, the lowest level of this band is assigned as 9-, and the 8- isomer bandhead has not been observed. Another isomer with a half life of 6.3 s has also been observed with its new decay paths established. Its excitation energy is raised by 79 keV, but its Iπ is not changed.
- odd-odd nucleus,
- rotational band,
- high-k structure,
- excitation energy systematics,
- isomer

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