Energy- and angle-resolved double photoionization in helium
- 17 May 1993
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 70 (20) , 3008-3011
- https://doi.org/10.1103/physrevlett.70.3008
Abstract
The triple differential cross section for double photoionization in helium has been measured for the first time. Equal energy sharing and a simple geometry for the two emitted electrons were chosen in order to facilitate the comparison with theory. Good agreement between experimental and theoretical data is found for the angular correlation pattern if the mutual Coulomb repulsion between both escaping electrons is taken into account.Keywords
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