Atomic data for opacity calculations. XV. Fe I-IV
Atomic data for opacity calculations. XV. Fe I-IV
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用于不透明度计算的原子数据。
DOI：
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发表时间：
1992
期刊：
影响因子：
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通讯作者：
K. Berrington
中科院分区：
文献类型：
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作者：
P. Sawey;K. Berrington
光激发和光电离过程中检查的基础和激发条款的Fe I，Fe II，Fe III和Fe IV。采用LS耦合R矩阵方法，对Fe Ⅰ的3d7、3d6（5D）4S、3d6（5D）4p和3d5（6S）4s2组态进行了17项目标展开，对Fe Ⅱ、Fe Ⅲ和Fe Ⅳ的3d6、3d5和3d4组态进行了16项目标展开.计算了S ≤ 3，L ≤ 7，有效主量子数≤ 10的偶数和奇数LS项的数据。计算了六千多项能量和近50万个偶极振子强度。的光电离截面的所有约束项在一个细网的光子能量，以阐明低能量共振结构制成表格。
Photoexcitation and photoionization processes are examined for ground and excited terms of Fe I, Fe II, Fe III and Fe IV. An LS coupling R-matrix approach is used in a seventeen target term expansion for Fe I, including 3d7, 3d6(5D)4S, 3d6(5D)4p and 3d5(6S)4s2 configurations; and sixteen term expansions for Fe II, Fe III and Fe IV, including 3d6, 3d5 and 3d4 configurations respectively. Data for even and odd LS terms having S<or=3; L<or=7 and effective principal quantum numbers up to 10 are calculated. Over six thousand term energies and nearly half a million dipole oscillator strengths are calculated. The photoionization cross section is tabulated for all bound terms over a fine mesh of photon energies to elucidate the low-energy resonance structure.