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Recombination Processes

Published online by Cambridge University Press:  18 September 2017

P. J. Storey*
Affiliation:
Department of Physics and Astronomy, University College London, Gower Street, LONDON WC1E 6BT, England

Abstract

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The role of resonances in the photoionization cross-sections of ions is discussed in relation to the radiative recombination coefficient. The calculation of dielectronic contributions to the recombination coefficient is reviewed for nebular conditions, and the importance of autoionizing states close to the first ionization threshold is illustrated. For those ions for which dielectronic recombination is not important at nebular temperatures, an assessment of the accuracy of the best available recombination coefficients is given.

Type
Section II: Physical Processes in Planetary Nebulae
Copyright
Copyright © Reidel 1983 

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