Exploration of Pseudospin Symmetry in the Resonant States

Exploration of Pseudospin Symmetry in the Resonant States
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共振态赝自旋对称性的探索

DOI:
10.1088/0256-307x/24/5/020
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发表时间:
2007-05
影响因子:
3.5
通讯作者:
--
中科院分区:
物理与天体物理3区
文献类型:
--
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本文以Sn-120为例,从能量、宽度和波函数的角度讨论了单质子共振态的赝自旋对称性。在相对论边界条件下,利用自洽相对论平均场理论的Hie耦合常数方法,从解析延拓中提取了球核中单质子共振态的信息.我们发现在共振态的一对赝自旋伙伴小的能量分裂。赝自旋二重态的狄拉克波函数的低分量在核势占主导地位的区域一致。结果表明,赝自旋对称性在实际核共振态中也是很好的守恒的。
Taking Sn-120 as an example, we discuss the pseudospin symmetry in the single proton resonant states by examining the energies, widths and the wavefunctions. The information of the single proton resonant states in spherical nuclei are extracted from an analytic continuation in Hie coupling constant method within the framework of the self-consistent relativistic mean field theory under the relativistic boundary condition. We find small energy splitting in a pair of pseudospin partners in the resonant states. The lower components of the Dirac wavefunctions of a pseudospin doublet agree well in the region where nuclear potential dominates. It is concluded that the pseudospin symmetry is also well conserved for the resonant states in realistic nuclei.
DOI: 10.1016/0370-2693(69)90443-2
发表时间: 1969-12
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