Absolute photoionization cross sections of atomic oxygen
Author(s) -
James A. R. Samson,
Prem N. Pareek
Publication year - 1985
Publication title -
physical review. a, general physics
Language(s) - English
Resource type - Journals
ISSN - 0556-2791
DOI - 10.1103/physreva.31.1470
Subject(s) - photoionization , atomic physics , ionization , physics , photoionization mode , electron , resonance (particle physics) , oxygen , line (geometry) , autoionization , nuclear physics , ion , quantum mechanics , geometry , mathematics
The absolute values of photoionization cross sections of atomic oxygen were measured from the ionization threshold to 120 A. An auto-ionizing resonance belonging to the 2S2P4(4P)3P(3Do, 3So) transition was observed at 479.43 A and another line at 389.97 A. The experimental data is in excellent agreement with rigorous close-coupling calculations that include electron correlations in both the initial and final states.
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