Electron-Impact Vibrational Excitation of H_2O
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概要
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Cross sections for excitations of the three fundamental vibrational modes of H_2O by electron collisions are calculated with the use of the Born theory for the collision energies from the threshold to 100eV. Electron-molecular multipole (dipole and quadrupole) interactions, as well as polarization force, are taken into account. The dominance of the quadrupole interaction relative to the dipole one prevents the cross section from falling rapidly as the energy increases, resulting in a fairly large cross section even in the high energy range (>_∼10 eV). Differential cross sections are also calculated at 1, 15, and 53eV. For the latter two incident energies, a comparison is made with the relative differential cross section measured by Trajmar et al.
- 社団法人日本物理学会の論文
- 1974-04-15
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