Appearance of non-first-Born effects in (e, 3e) on helium

被引：0

作者：

Götz, JR ^{[1
]}

Walter, M ^{[1
]}

Briggs, JS ^{[1
]}

机构：

[1] Univ Freiburg, D-79104 Freiburg, Germany

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2003年 / 36卷 / 04期

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中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We analyse (e, 3e) processes on helium, with one fast and two slow electrons in the final channel, where strong deviations from a first-Born description were reported recently (Lahmam-Bennani et al 2001 J Phys. B: At. Mol. Opt. Phys. 34 3073-87). The four-particle continuum is described in different approximations leading up to a 6C wavefunction which takes all two-body Coulomb interactions into account. It is shown that deviations from a first-Born description arise from two different effects which are important in two different energy regions.

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页码：L77 / L83

页数：7

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