Vibrationally resolved cross sections and asymmetry parameters for the photoionization of N2 with coupling between the (3 sigma g)-1 and the (2 sigma u)-1 channels. Academic Article uri icon


  • We have performed a vibrationally resolved two-state coupled-channel calculation using the Pad-approximant C-functional formalism for the '=0''=0, '=1''=0, and '=2''=0 vibrational transitions in the photoionization of N2 leading to the (3g)-1X2g+ and (2u)-1B2u+ states of N2 +. We have found that both the vibrationally resolved '=0''=0 and the vibrationally averaged asymmetry parameters in the (2u)-1 channel are in good agreement with vibrationally unresolved experimental data. However, the theoretical results presented here do not resolve the apparent discrepancies between the vibrationally resolved and vibrationally unresolved experimental data. Coupled-channel photoelectron asymmetry parameters and photoionization cross sections in the (3g)-1 channel were not found to be substantially different from earlier single-channel results. The results presented here demonstrate the need for the inclusion of further electronic correlation effects in order to give a more quantitatively accurate description of the photoionization of N2. 1988 The American Physical Society.

published proceedings

  • Phys Rev A Gen Phys

author list (cited authors)

  • Basden, B., & Lucchese, R. R.

citation count

  • 60

complete list of authors

  • Basden, B||Lucchese, RR

publication date

  • January 1988