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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