Calculation of the double-photoionization cross section of helium
- 14 December 1995
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic, Molecular and Optical Physics
- Vol. 28 (23) , 5001-5012
- https://doi.org/10.1088/0953-4075/28/23/010
Abstract
A many-body perturbation theory calculation for the cross section of helium for double ionization due to photoabsorption is presented for the photon energy range from the threshold up to 14 keV. The energy and angular distributions of the photoelectrons are also discussed for relatively high photon energies. Comparisons with the results of experiments and other calculations are made.Keywords
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