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題 名 | Photoionization Profiles of Helium Autoionizing States in External DC Electric Fields |
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作 者 | 何耀錦; 方德貴; | 書刊名 | Journal of the Chinese Chemical Society |
卷 期 | 48:3 2001.06[民90.06] |
頁 次 | 頁539-544 |
分類號 | 330 |
關鍵詞 | Autoionization; Resonances; Stark effects; Photoionization; |
語 文 | 英文(English) |
英文摘要 | Electric-field effects on the doubly excited resonant structures in He ground state photoionization are investigated theoretically using the complex-rotation method with a B-spline-based configuration interaction (BSCI) basis. The variations of the structure profiles for the ML = 0 components of He (2,2a), (2,3a), and (2,4a) 1P and 1De resonance pairs for selected DC electric field strengths are examined. The changes of the resonant energies, widths, Fano q-parameters, and background cross sections, are also presented. |
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