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  Theoretical and Experimental Triple Differential Cross Sections for Electron Impact Ionization of Methane

Ch, H., Xu, S., Ning, C., Madison, D., Ren, X. G., Pflüger, T., et al. (2011). Theoretical and Experimental Triple Differential Cross Sections for Electron Impact Ionization of Methane. In Bulletin of the American Physical Society (pp. 164). American Physical Society.

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 Creators:
Ch, Haari, Author
Xu, Shenyue1, Author           
Ning, Chuangang, Author
Madison, Don, Author
Ren, X. G.2, Author           
Pflüger, Thomas2, Author           
Senftleben, Arne2, Author           
Dorn, Alexander2, Author           
Ullrich, Joachim2, Author           
Affiliations:
1Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society,, 904547              
2Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society, ou_904547              

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 Abstract: Triple differential cross sections have been calculated and measured for 54 eV electron-impact ionization of the highest occupied molecular orbital (HOMO) 1t2 state of methane (CH4). Results will be presented both for the scattering plane and a plane in which the ejected electron is perpendicular to the incident beam direction. A systematic comparison between theoretical DWBA (distorted wave Born approximation), M3DW (molecular 3-body distorted wave), and experiment will be given for ejected electron energies ranging between 5 eV to 20 eV and scattered projectile angles ranging between 20 degrees and 55 degrees. In the perpendicular plane, better qualitative agreement between experiment and theory was found for the smaller projectile scattering angles and higher ejected electron energies. In the scattering plane on the other hand, agreement between theory and experiment tended to be better for the lower ejected electron energies.

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 Dates: 2011
 Publication Status: Issued
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Title: 42nd Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Place of Event: Atlanta, USA
Start-/End Date: 2011-06-13 - 2011-06-17

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Title: Bulletin of the American Physical Society
Source Genre: Proceedings
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Publ. Info: American Physical Society
Pages: - Volume / Issue: 56 (5) Sequence Number: - Start / End Page: 164 Identifier: -