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  Fully differential cross sections for C6+ single ionization of helium

Foster, M., Madison, D. H., Peacher, J. L., Schulz, M., Fischer, D., Moshammer, R., et al. (2004). Fully differential cross sections for C6+ single ionization of helium. Journal of Physics B: Aomic, Molecular and Optical Physics, 37(8), 1565-1580. doi:doi:10.1088/0953-4075/37/8/001.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0011-8C5F-A Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0011-8C60-4
Genre: Journal Article

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 Creators:
Foster, M.1, Author
Madison, D. H.1, Author
Peacher, J. L.1, Author
Schulz, M.2, Author              
Fischer, D.3, Author              
Moshammer, R.2, Author              
Ullrich, J.2, Author              
Affiliations:
1Laboratory for Atomic, Molecular and Optical Research, Physics Department, University of Missouri-Rolla, Rolla, MO 65409-0640, USA, ou_persistent22              
2Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society, ou_904547              
3Daniel Fischer - Emmy Noether Junior Research Group, Junior Research Groups, MPI for Nuclear Physics, Max Planck Society, ou_907553              

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 Abstract: We have examined the fully differential cross section (FDCS) for single ionization of helium by a 2 MeV amu-1 C6+ ion. The FDCS is presented for a variety of momentum transfers and ejected electron energies. The theoretical model we use, labelled 3DW-EIS (three-body distorted wave—eikonal initial state), treats the collision as a three-body problem (projectile, active electron, residual ion). In the final state, each two-particle pair is treated exactly and the initial state is an eikonal state which contains the proper asymptotic forms of the projectile–target ion and projectile–electron interactions. Most importantly, the final state of the ejected electron is treated as a distorted wave calculated numerically from the static Hartree–Fock potential for the ion. Our theoretical results are compared with both absolute experimental measurements and previous theoretical calculations. It is shown that the 3DW-EIS results are in good agreement with experiment for all cases except large momentum transfer and low ejected-electron energies.

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Language(s): eng - English
 Dates: 2004-04
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 277802
DOI: doi:10.1088/0953-4075/37/8/001
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Title: Journal of Physics B: Aomic, Molecular and Optical Physics
  Alternative Title : J. Phys. B: At. Mol. Opt. Phys.
Source Genre: Journal
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Pages: - Volume / Issue: 37 (8) Sequence Number: - Start / End Page: 1565 - 1580 Identifier: -