丰中子核116,118,120Cd的高自旋态和负宇称能级研究

来源 :高能物理与核物理 | 被引量 : 0次 | 上传用户:ji1ji2
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通过对 252Cf自发裂变产生的瞬发γ射线的多重符合测量,对丰中子核 116,118,120Cd的高自旋态进行了研究.实验是利用美国罗仑兹伯克利实验室的超级γ球探测装置进行的.118Cd的晕带自旋扩展到18(h-),而 116,120Cd的晕带扩展到16(h-). 利用推转壳模型对带结构进行了计算,对这几个核晕带很陡的回弯现象做了讨论. 在每个核中观测到了5-和7-能级,对其特性进行了讨论.在118Cd中还观测到一个基于7-能级的准转动带.
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