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

Gerchikov, L. G.; Sheinerman, S. A.; Schulz, M.; Moshammer, R.; Ullrich, J.

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

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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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Zitation

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.

Zitierlink: https://hdl.handle.net/11858/00-001M-0000-0011-8305-B

Zusammenfassung

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.