ANGULAR-DISTRIBUTIONS IN THE DOUBLE IONIZATION OF HELIUM BY ELECTRON-IMPACT

被引：71

作者：

DALCAPPELLO, C

LEROUZO, H

机构：

[1] UNIV PARIS 11, PHOTOPHYS MOLEC LAB, F-91405 ORSAY, FRANCE

[2] FAC SCI REIMS, PHYS MOLEC LAB, F-51062 REIMS, FRANCE

来源：

PHYSICAL REVIEW A | 1991年 / 43卷 / 03期

关键词：

D O I：

10.1103/PhysRevA.43.1395

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Electron-impact double ionization of helium is investigated theoretically for the case of high incident energies (5-10 keV). An ab initio calculation is proposed, which includes almost full correlation in the initial state and partial correlations in the final state. The results of this model are compared with those given by other theories in the framework of the wave-function approach. We show that the correlations in the final state must be taken into account for the evaluation of the angular distributions.

引用

页码：1395 / 1404

页数：10

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