Electron-Impact Rotational Excitation of a Symmetric-Top Molecule: Application to NH_3
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概要
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A cross section formula for the rotational transition in a symmetric-top molecule by electron collisions is derived in the Born approximation, with adopting a general form of electron-molecule interaction. Then the result is applied to the electron-NH_3 collision. The cross section for the transitions ΔK≠0 (K being the quantum number representing the angular momentum around the symmetry axis) is calculated for the first time and its magnitude is found to be much less than the dipole excitation cross section (for which ΔK=0). In a large-angle scattering, however, the differential cross section for ΔK≠0 has a non-negligible effect.
- 社団法人日本物理学会の論文
- 1971-03-02
著者
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Itikawa Yukikazu
Institute Of Plasma Physics Nagoya University
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ITIKAWA Yukikazu
Institute of Space and Aeronautical Science, University of Tokyo
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