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Conference Paper

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

MPS-Authors
http://pubman.mpdl.mpg.de/cone/persons/resource/persons36490

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

http://pubman.mpdl.mpg.de/cone/persons/resource/persons30934

Ren,  X. G.
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons30893

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

http://pubman.mpdl.mpg.de/cone/persons/resource/persons31033

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

http://pubman.mpdl.mpg.de/cone/persons/resource/persons30419

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

http://pubman.mpdl.mpg.de/cone/persons/resource/persons31125

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

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Citation

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.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000F-4503-7
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.