S Fritzsche et al 2008 J. Phys. B: At. Mol. Opt. Phys. 41 165601 doi:10.1088/0953-4075/41/16/165601
S Fritzsche1,2, A N Grum-Grzhimailo3, E V Gryzlova3 and N M Kabachnik1,3,4
Show affiliationsA general expression for the angular correlation function of the two emitted photoelectrons in sequential two-photon double ionization of atoms is derived and discussed. The expression can be used in the analysis of angle-resolved coincidence experiments. The angular distributions of the emitted electrons as measured in non-coincidence experiments are also discussed. As an example, the cross sections, angular distributions of photoelectrons and angular correlation functions for the sequential two-photon double ionization of Ne and Ar atoms have been calculated within the MCHF and MCDF approaches. The results are compared with recent experiments performed at the free-electron laser (FLASH) facility.
32.80.Rm Multiphoton ionization and excitation to highly excited states
31.30.J- Relativistic and quantum electrodynamic (QED) effects in atoms, molecules, and ions
Issue 16 (28 August 2008)
Received 25 May 2008, in final form 27 May 2008
Published 7 August 2008
A Corrigendum for this article has been published in 2008 J. Phys. B: At. Mol. Opt. Phys. 41 199801
S Fritzsche et al 2008 J. Phys. B: At. Mol. Opt. Phys. 41 165601
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