Abstract
The partial photoionization cross sections and asymmetry parameter of the excited state 2${\mathit{p}}^{2}$3p $^{2}$S of nitrogen have been calculated using the multiconfiguration Hartree-Fock method for continuum wave functions. The effects of electron correlation on the excited initial state, the ionic core state, and the final continuum state have been taken into account in an ab initio manner through the configuration-interaction procedure. It is found that the correlations do not change the result significantly from that obtained with Hartree-Slater and Hartree-Fock calculations. The present result of the asymmetry parameter is seen to be in excellent agreement with the experimental measurement of Pratt, Dehmer, and Dehmer [Phys. Rev. A 36, 1702 (1987)] performed at a single photon energy.
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