基于多组态Dirac-Fock方法的程序包GRASP92和RATIP及在此基础上最新发展的RELPHOTO08程序,系统地研究了高离化态金离子M壳层的光电离截面随入射光子能量、离化度以及壳层的变化规律.结果表明:光电离截面随光子能量的增大而单调减小;电离nl电子时,如果相关电子的主量子数较大,则该电子存在与否对其光电离截面几乎没有影响;在同一离化度下,角量子数l可引起两种性质不同的效应,其相互竞争可导致光电离截面随入射光子能量的复杂变化.
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