[Peng, Zhaohua; Zhou, Jiangfeng; Liang, Zhuo; Liao, Junhui; Zheng, Jian] China Inst Atom Energy, Div Nucl Phys, Sanqiang Rd 1, Beijing 102413, Peoples R China.
[Ouyang, Zebang] Univ South China, Sch Nucl Technol, ChangSheng West Rd 28, Hengyang 421009, Hunan, Peoples R China.
[Liao, Junhui] Brown Univ, Dept Phys, Hope St 182, Providence, RI 02912 USA.
[Zhang, Lifeng] China Inst Atom Energy, Div Nucl Synth Technol, Sanqiang Rd 1, Beijing 102413, Peoples R China.