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

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

摘要

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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A Complete Postversion of the Three-Body Continuum Distorted Wave-Eikonal Initial State Approximation for Single Ionization of Multielectron Atoms
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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Multi-electron atoms Interaction of one-electron atoms with radiation One-electron atoms Molecules: general features Electronic structure of molecules
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