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Citation 1

Authors

Lahmam-Bennani A. Duguet A. Taouil I. Gaboriaud MN. Avaldi L. Berakdar J. Kheifets A.

Title

Absolute fully resolved (e,3e) cross sections for the double ionization of
helium

Book Editors

Itikawa Y, Okuno K, TanakaA H, Yagishita A, Matsuzawa M

Source

PHYSICS OF ELECTRONIC AND ATOMIC COLLISIONS. 500 PG. 431-435. 2000 [Figures]
[Plates].

Abstract

We have measured for the first time full sets of coplanar (e,3e) angular distributions for double ionization of He, at an impact energy of similar to 5 and similar to 1 keV. Ejected electrons are detected with equal energies, 10 and 4 eV. Comparison is made with analog (gamma,2e) results, and deviations from the dipolar limit are pointed our. The data are also compared with two calculations, using either a four-body final-state wavefunction for the three electrons moving in the field of He2+, or the convergent close coupling method. [References: 5]

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