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

Ch, Haari; Xu, Shenyue; Ning, Chuangang; Madison, Don; Ren, X. G.; Pflüger, Thomas; Senftleben, Arne; Dorn, Alexander; Ullrich, Joachim

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

MPS-Authors

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

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

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

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

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

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

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引用

Ch, H., Xu, S., Ning, C., Madison, D., Ren, X. G., Pflüger, T., Senftleben, A., Dorn, A., & Ullrich, J. (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.

引用: https://hdl.handle.net/11858/00-001M-0000-000F-4503-7

要旨

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.