Multiconfiguration Hartree-Fock calculation of photoionization cross sections of the rare gases
Journal Article
·
· Phys. Rev., A; (United States)
A multiconfiguration Hartree-Fock calculation is used to test the hypothesis that ground-state correlations involving excitation of a single pair of electrons from an outer p shell into d orbitals are the dominant ones in the photoionization cross sections of Ne, Ar, Kr, and Xe. Dramatic improvement in the agreement of dipole length and dipole velocity forms of the cross section is obtaining in going from a Hartree-Fock to a multiconfiguration Hartree-Fock calculation. Results are found to be comparable to recent values obtained using the random-phase approximation with exchange and the R matrix. (AIP)
- Research Organization:
- Physics Department, Johns Hopkins University, Baltimore, Maryland 21218
- OSTI ID:
- 7127805
- Journal Information:
- Phys. Rev., A; (United States), Journal Name: Phys. Rev., A; (United States) Vol. 15:2; ISSN PLRAA
- Country of Publication:
- United States
- Language:
- English
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