在球形相对论平均场模型下,采用PK1和NL3相互作用,对N=127同中子核素的基态和低激发态进行了研究,获得了价核子的激发能及中子、质子和最后一个中子的密度分布,指出209Pb的3d5/2,4s1/2和3d3/2激发态可能存在一个中子晕结构,207Hg,208Tl,210Bi和211Po的3d5/2,4s1/2及3d3/2激发态也可能存在一个中子晕结构.
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