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Comparison of experimental and theoretical fully differential cross sections for single ionization of the 2s and 2p states of Li by Li2+ ions

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

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Goullon,  Johannes
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;

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Hubele,  Renate
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;

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Citation

Ghanbari-Adivi, E., Fischer, D., Ferreira, N., Goullon, J., Hubele, R., LaForge, A., et al. (2017). Comparison of experimental and theoretical fully differential cross sections for single ionization of the 2s and 2p states of Li by Li2+ ions. Journal of Physics B, 50(21): 215202. doi:10.1088/1361-6455/aa8dd2.


Cite as: https://hdl.handle.net/21.11116/0000-0001-095A-1
Abstract
This paper presents experimental measurements of the fully differential cross section for 16. MeV Li2+ single ionization of 2s ground and the 2p excited state of Li in the azimuthal plane. Data were obtained for three different ejected electron energies and two different projectile momentum transfers. The experimental results are compared with theoretical three-body continuum distorted wave-Eikonal initial state calculations and reasonable good agreement is found between theory and experiment. Theory predicts a double peak structure for one of the measured cases and the physical effects producing the double peak are investigated by performing calculations with different interactions either turned on or off.