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Journal Article

Electron correlation in double ionization of excited helium by fast ion impact

MPS-Authors
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Schulz,  M.
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

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Moshammer,  R.
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

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Ullrich,  J.
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

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2002-034.pdf
(Preprint), 345KB

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Citation

Gerchikov, L. G., Sheinerman, S. A., Schulz, M., Moshammer, R., & Ullrich, J. (2002). Electron correlation in double ionization of excited helium by fast ion impact. Journal of Physics B-Atomic Molecular and Optical Physics, 35(12), 2783-2798.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-8305-B
Abstract
The correlation function between two emitted electrons has been calculated as a function of their momentum difference for double ionization of 1s2s excited He atoms by fast ion impact. A simple quantum mechanical approach is developed to take into account the dynamics of two-electron ejection as well as the effects of electron exchange and correlated electron motion in the final state. A clear difference between the correlation functions of the excited and ground state targets is reported.