High spin states in 71Ga

• 作者: Jian Zhong Li-Tao Deng Shi-Peng Hu Xiao-Guang Wu P.C.Srivastava A.Saxena Guang-Sheng Li Yun Zheng Cong-Bo Li Qi-Ming Chen Chuang-Ye He Wen-Kui Zhou Bao-Ji Zhu Qi-Wen Fang Hui Hua Jun-Jie Sun Hui-Bin Sun Lin Gan Hai-Ge Zhao Qi Luo Zheng-Xin Wu
• 来源期刊: 中国物理C（英文版）
• 年，卷（期）: 2021,（8）
• 所属期刊栏目: NUCLEAR PHYSICS
• 页码范围: 64-70
• 页数: 7页
• 语种: 英文
• DOI: 10.1088/1674-1137/ac0098

摘要

Excited states in the odd-A nucleus 71Ga have been studied via the 70Zn(7Li,α2n)71Ga fusion-evapora-tion reaction with incident beam energies of 30 and 35 MeV.The level scheme is established up to spin Iπ=(29/2+)and an excitation energy～6.6 MeV.A previously known sequence built on the 9/2+state is extended as a novel ro-tational band originating from the v(g29/2)alignment.Furthermore,a negative-parity sequence is also reported.The observed energy levels of 71Ga have been interpreted in the framework of the nuclear shell model(SM).