頁籤選單縮合
題 名 | Resonances in Three-Body Atomic Systems Involving Positrons |
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作 者 | Ho,Y. K.; | 書刊名 | Chinese Journal of Physics |
卷 期 | 35:2 1997.04[民86.04] |
頁 次 | 頁97-120 |
分類號 | 330 |
關鍵詞 | |
語 文 | 英文(English) |
英文摘要 | We review the theoretical studies of atomic resonances in three-body systems involving positrons. These works employ a method of complex-coordinate rotation. Investigations on resonances in positron-hydrogen scattering below various hydrogen and positronium thresholds are discussed, as well as resonances in e⁺-He⁺ scattering. Furthermore, resonances in electron-positronium scattering will also be reviewed. The theoretical results for doubly-excited states of Ps⁻ reveal the supermultiplete structures of such an ion, and its tri-atomic molecular characters in analogy to an XYX molecule. |
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