Studies of the photoionization cross section of the 2π level of nitric oxide
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We present photoionization cross sections and asymmetry parameters for the 2π level of nitric oxide which are obtained from the direct solution of the e+NO+collisional equations at the static-exchange level. These cross sections differ significantly from those obtained previously using a moment theory approach [J. J. Delaney, I. H. Hillier, and V. R. Saunders, J. Phys. B 15, 1477 (1982)]. The calculated cross sections show a broad nonresonant feature at a photon energy of 29 eV which is not as pronounced as observed experimentally. The σ shape resonance in our cross section occurs at 14 eV which is about 5 eV below the feature in the measured cross sections attributed to this shape resonance. The probable role of autoionization and vibrational averaging on these cross sections is also discussed. © 1983 American Institute of Physics.
author list (cited authors)
Smith, M. E., Lucchese, R. R., & McKoy, V.