Physics – Atomic Physics
Scientific paper
2007-04-17
Phys. Lett. A 368 (2007) 391
Physics
Atomic Physics
to be published in Physics Letters A
Scientific paper
10.1016/j.physleta.2007.04.027
We present a generalization of the pioneering results obtained for single K-shell photoionization of H-like ions by M. Stobbe [Ann. Phys. 7 (1930) 661] to the case of the helium isoelectronic sequence. The total cross section of the process is calculated, taking into account the correlation corrections to first order of the perturbation theory with respect to the electron-electron interaction. Predictions are made for the entire non-relativistic energy domain. The phenomenon of dynamical suppression of correlation effects in the ionization cross section is discussed.
Mikhailov Alfa I.
Nefiodov A. V.
Plunien Guenter
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