Rotational Excitation of the HD Molecule by Low-Energy Electron Collision
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概要
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The rotational excitation of HD by low-energy electron collision is discussed for the first time. In the thermal-energy region, the Born approximation is used to derive relevant cross sections semi-quantitatively. In the eV-region, the adiabatic approximation is used to discuss the problem qualitatively. It is found that except in the neighborhood of the threshold energy, the rotational excitation cross section σ(J&roar;J+2), J being the rotational quantum number of the molecule, does not change much when H_2 is replaced by HD. For HD, transitions with odd ΔJ are also allowed. However, the cross sections for these transitions are found to be fairly small. The momentum-transfer and the rotational stopping cross sections are discussed. Excitation of D_2 is also considered for comparison.
- 社団法人日本物理学会の論文
- 1970-06-05
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