采用非相对论量子计算方法计算了电子与高电荷态离子碰撞的辐射复合截面, 其中连续态电子的波函数是由扭曲波近似方法(DWBE)获得. 计算了低能电子与中、低核电荷的高电荷态离子(类H和类Li)的辐射复合截面, 并与采用有效电荷的库仑波计算结果进行了比较, 说明了扭曲波计算的重要性.
参考文献
[1] | McLaughlim D J, Hahn Y. Scaling Behavior of Radiative Recombination Cross Section and Rate Coefficients[J]. Phys Rev, 1991, A43(3): 1 313. |
[2] | Penetrante B M, Bardsley J N, Dewitt D, et al. Evolution of Ion-charge-state Distributions in an Electron-beam Ion Trap[J]. Phys Rev, 1991, A43(9): 4 861. |
[3] | Andersen L H, Bolko J, Kvistgaard P. Radiative Recombination Between Free Election and Bare Carbon Ions[J]. Phys Rev Lett, 1990, 64(7): 729. |
[4] | Andersen L H, Bolko J. Radiative Recombination Measurements with H-and Li-like Ions[J]. J Phys, 1990, B23(18): 3 167. |
[5] | Anderson L H, Pan G Y, Schmidt H T. Radiative Recombination with Highly Charged Si6+ and Si11+ Ions[J]. J Phys B: At Mol Opt Phys, 1992, 25(1): 277. |
[6] | Bethe H, Salpeter E. Quantum Mechanics of One and Two-electron Systems Handbuch der Physik [M]. Berlin: Springer, 1957, 35. |
[7] | Hahn Y, Rule D W. Direct Radiatve Capture of High-energy Elections by Atomic Ions [J]. J Phys, 1977, B10(13): 2 689. |
[8] | Zerrad E, Hahn Y. Radiative Recombination at Low Energies[J]. J Quant Spectrosc Radiat Transfer, 1998, 59(6): 637. |
[9] | Ichihara A, Eichler J. Cross Section for Radiative Recombination and the Photoelectric Effect in the K, L and M Shells of One-electron Systems with 1≤Z≤112 Calculated within an Exact Relativistic Description[J]. Atomic Data and Nuclear Data Tables, 2000, 74(1): 1. |
[10] | Erdas A, Mezzorani G, Quarati P. Parametrization of Rediative-recombination Cross Sections[J]. Phys Rev, 1993, A48(1): 452. |
[11] | Cowan R D. The Theory of Atomic Structure and Spectra[M]. Berkeley: University of California press, 1981. |
[12] | Hu W, Fang D, Wang Y, et al. Electron-impact-ionization Cross Sections for the Hydrogen Atom[J]. Phys Rev, 1994, A49(2): 989. |
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