P II中3s（2）3 p（2）-3s3p（3）J=2跃迁阵列的实验和半经验分支分数
Experimental and Semi-Empirical Branching Fractions of the 3s(2)3p(2)-3s3p(3) J=2 Transition Array in P II
摘要：
用半经验方法刻画了P Ⅱ中3s（2）3 p（2）-3s 3 p（3）J=2跃迁阵.在这种方法中，斯莱特，自旋轨道，和径向参数拟合实验能级，以获得LS耦合基矢量方面的阵列的描述。然后使用从该模型产生的各种IC和CI振幅来预测阵列内的跃迁的分支分数。接近LS耦合值的结果，这些相比，分支比测量使用束箔光谱在THIA实验室。这项工作为Curtis博士的假设提供了支持，即在低Z原子中几乎没有高态IC但具有显著高态CI的跃迁阵列表现出接近LS耦合值的分支分数，尽管数据在这方面并不确定。
英文摘要：
A semi-empirical method is used to characterize the 3s(2)3p(2)-3s3p(3) J=2 transition array in P II. In this method, Slater, spin-orbit, and radial parameters are fitted to experimental energy levels in order to obtain a description of the array in terms of LS-coupling basis vectors. The various IC and CI amplitudes resulting from this model are then used to predict the branching fractions of transitions within the array. Results close to LS-coupling values are presented, and these are compared to branching ratios measured using beam-foil spectroscopy at the THIA laboratory. The work provides support for the hypothesis of Dr. Curtis that transition arrays with little upper state IC but significant upper state CI in atoms of low Z exhibit branching fractions close to LS-coupled values, although the data are inconclusive in this respect.
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