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Journal Article

State-resolved measurements of single-electron capture in slow Ne7+- and Ne8+-helium collisions

MPS-Authors
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Fischer,  D.
Daniel Fischer - Emmy Noether Junior Research Group, Junior Research Groups, MPI for Nuclear Physics, Max Planck Society;

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Feuerstein,  B.
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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Crespo López-Urrutia,  J. R.
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

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

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Perumal,  A. N.
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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Fulltext (public)

Ne_cap~1.pdf
(Preprint), 564KB

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Citation

Fischer, D., Feuerstein, B., DuBois, R. D., Moshammer, R., Crespo López-Urrutia, J. R., Draganic, I., et al. (2002). State-resolved measurements of single-electron capture in slow Ne7+- and Ne8+-helium collisions. Journal of Physics B-Atomic Molecular and Optical Physics, 35(5), 1369-1377.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0011-839F-6
Abstract
Single-electron capture in collisions of 9 keV x q Ne8+ and Ne7+ ions with He has been studied using cold-target recoil-ion momentum spectroscopy. With an improved apparatus a longitudinal momentum resolution of 0.07 au has been achieved. This momentum component is directly proportional to the difference in the binding energy of the active electron between the final and the initial state. For the first time state- resolved differential cross sections have been determined with respect to the main quantum number, subshell level and spin state of the captured electron. A comparison with recent theoretical results for energy levels in Be-like Ne is given.