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Spectroscopy ofMg33with knockout reactions
Physical Review C ( IF 3.1 ) Pub Date : 2021-06-15 , DOI: 10.1103/physrevc.103.064318
D. Bazin , N. Aoi , H. Baba , J. Chen , H. Crawford , P. Doornenbal , P. Fallon , K. Li , J. Lee , M. Matsushita , T. Motobayashi , H. Sakurai , H. Scheit , D. Steppenbeck , R. Stroberg , S. Takeuchi , H. Wang , K. Yoneda , C. X. Yuan

The structure of Mg33 was investigated by means of two knockout reactions, one-neutron removal from Mg34 and one-proton removal from Al34. Using comparative analysis of the population of observed excited states in the residual Mg33, the nature of these states can be deciphered. In addition, the long-standing controversy about the parity of the Mg33 ground state is resolved using momentum distribution analysis, showing a clear signature for negative parity. Partial cross section measurements are compared with the results of eikonal reaction theory combined with large-scale shell model calculations of this complex nucleus located in the island of inversion, where configuration mixing plays a major role.

中文翻译:

具有敲除反应的 Mg33 光谱

的结构 33 通过两个敲除反应进行了研究,一个中子从 34 和一个质子去除 34. 使用对残余物中观察到的激发态总体的比较分析33,这些状态的性质可以破译。此外,长期以来关于平价的争议33基态是使用动量分布分析解决的,显示了负奇偶性的清晰特征。将部分横截面测量结果与特征反应理论结合大规模壳模型计算的结果进行了比较,该计算位于反演岛中的复杂核,其中构型混合起主要作用。
更新日期:2021-06-15
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