Resonant Vibrational Excitation of O_2 by Slow Electron Impact

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概要

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• Fano's theory on configuration mixing for many channel case has been applied to investigate the resonant vibrational excitation process of an oxygen molecule by low energy (less than 1eV) electron impact. It has been shown that each channel width is proportional to the 5th power of the wave number of an incident or ejected electron. The energy integrated cross section for resonant vibrational 0⟶1 excitation via an intermediate vibrationally excited oxygen molecular ion state O_2^<-*>(υ'=6) is estimated to be 6.4×10^<-3>a_0^2eV. This is in fairly good agreement with the experimental results by Linder and Schmidt (Z.Naturforsch. 26a(1971) 1617): 9.0×10^<-3>a_0^2eV, and by Spence and Schulz (Phys. Rev. A2(1970)1802): 1.4×10^<-3>a_0^2eV. It has been shown that the characteristic feature of branching ratio can also be explained by the k^5 rule.

• 社団法人日本物理学会の論文
• 1973-10-05

著者

• Koike Fumihiro

  Department Of Applied Physics Faculty Of Engineering The University Of Tokyo

関連論文

• Associative Ionization in Slow Collisions between Atoms. II
• Resonant Vibrational Excitation of O_2 by Slow Electron Impact
• Vibrational and Rotational Excitations of HD^+ by Collision with Positive Ions
• Low Energy Resonant Electron Scattering by O_2 and NO
• On the Mechanism of Electron Attachment by O_2

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