A Complete Postversion of the Three-Body Continuum Distorted Wave-Eikonal Initial State Approximation for Single Ionization of Multielectron Atoms

J. Monti, O. Fojón, J. Hanssen, R. Rivarola
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引用次数: 6

Abstract

Single electron ionization of helium targets produced by the impact of fast proton beams is investigated. The postversion of the continuum distorted wave-eikonal initial state into a three-body approximation is reformulated, including the dynamic screening produced by the nonionized electron. This dynamic screening is shown to play a main role in the determination of double differential cross-sections. A good agreement is found with predictions obtained employing the prior version of the model, so that post-prior discrepancies are almost eliminated.
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多电子原子单电离的三体连续体畸变波-斜向初始态近似的完全后置
研究了快速质子束撞击氦靶产生的单电子电离。将连续体畸变波初始态的后置形式重新表述为三体近似,包括非电离电子产生的动态筛选。这种动态筛选在确定双微分截面中起主要作用。与使用模型的先前版本获得的预测结果很好地一致,因此几乎消除了后先验差异。
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Multi-electron atoms Interaction of one-electron atoms with radiation One-electron atoms Molecules: general features Electronic structure of molecules
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