Measurements and Calculations of Photoionization Cross Sections of Multiply Charged Ions in Ground and Metastable States Along the Isonuclear Series of Oxygen: O^2+ to O^4+
Creators:Nahar, Sultana Nurun
Champeaux, J. P.
Bizau, J. M.
Wuilleumier, F. J.
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Citation:Champeaux, J. P., Bizau, J. M., Cubaynes, D., Blancard, C., Nahar, Sultana Nurun, Hitz, D., Bruneau, J., Wuilleumier, F. J. "Measurements and Calculations of Photoionization Cross Sections of Multiply Charged Ions in Ground and Metastable States Along the Isonuclear Series of Oxygen: O^2+ to O^4+," The Astrophysical Journal Supplement Series, v. 148, October, 2003, pp. 583-592.
In this paper, we present the first absolute measurements for photoionization of multiply charged oxygen ions: O^2+ and O^3+ in the ground state and in several metastable states, as well as relative data for O^4+. Multiconfiguration Dirac-Fock and relativistic R-matrix calculations were performed and are tested here by comparison with experimental results. Our experimental and new theoretical results are also compared with the earlier theoretical data obtained in the R-matrix approximation to calculate photoionization cross sections over part of the isonuclear series of multiply charged oxygen ions.
Relevant data is available at: http://www.astronomy.ohio-state.edu/~nahar/nahar_radiativeatomicdata/index.html
Rights:© 2003. The American Astronomical Society. All rights reserved.
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