Dissociative Excitation of Water Molecule by Electron Impacts. IV. The Effect of Multiple Scattering

DOI Web Site BIBCODE 被引用文献2件 参考文献8件
  • Fujita Takeyoshi
    Department of Mechanical Engineering, Faculty of Engineering, Kansai University
  • Iwai Tsuruji
    Department of Physics, Faculty of Science, Osaka University
  • Ogura Kiyosi
    Department of Physics, Faculty of Science and Technology, Kinki University
  • Watanabe Sigeru
    Faculty of Education, Mie University
  • Watanabe Yoiti
    Department of Physics, College of General Education, Osaka University

抄録

The interference among single electronic scatterings affects the excitation. The contribution to the cross-section can be evaluated by expanding the Glauber profile function in terms of the multiplicity order. A tentative termination of the expansion up to the second order, i.e. to the double scattering term, yields further reductions of the cross-section compared with those evaluated on the basis of the Hartree-type core potential model and of the single scattering model, when the energy of the incident electron is lower than ∼200 eV. In the higher energy region, where higher order terms of the expansion less contribute to the excitation, also the model of the core potential is feasible, and as applicable to the water molecule as to alkali atoms.

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