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Studies of the photoionization cross section of the 2pi level of nitric oxide

Smith, Maile E. and Lucchese, R. R. and McKoy, V. (1983) Studies of the photoionization cross section of the 2pi level of nitric oxide. Journal of Chemical Physics, 79 (3). pp. 1360-1363. ISSN 0021-9606. doi:10.1063/1.445891.

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We present photoionization cross sections and asymmetry parameters for the 2pi 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 sigma 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.

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Additional Information:Copyright © 1983 American Institute of Physics. Received 20 October 1982; accepted 30 November 1982. This material is based upon work supported by the National Science Foundation under Grant No. CHE80-40870. One of us (M.E.S.) acknowledges support of a National Science Foundation Predoctoral Fellowship. The research reported in this paper made use of the Dreyfus-NSF Theoretical Chemistry Computer which was funded through grants from the Camille and Henry Dreyfus Foundation, the National Science Foundation (Grant No. CHE78-20235), and the Sloan Fund of the California Institute of Technology . Arthur Amos Noyes Laboratory of Chemical Physics, Contribution No. 6746.
Funding AgencyGrant Number
National Science FoundationCHE80-40870
Camille and Henry Dreyfus FoundationUNSPECIFIED
National Science FoundationCHE-78-20235
Sloan Fund, CaltechUNSPECIFIED
Subject Keywords:photoionization, cross sections, nitric oxide, electronic structure, synchrotron radiation
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Arthur Amos Noyes Laboratory of Chemical Physics6746
Issue or Number:3
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ID Code:11685
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Deposited On:18 Sep 2008 22:56
Last Modified:08 Nov 2021 22:01

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