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Collisional-radiative volume recombination and ionization coefficients for He+-He2+-e plasmas
Authors:H W Drawin  F Emard
Institution:1. Association Euratom-CEA, Département de la Physique du Plasma et de la Fusion Contr?lé, Centre d'Etudes Nucléaires, Fontenay-aux-Roses, France
Abstract:Coefficients have been calculated for collisional-radiative recombination of doubly ionized helium atoms with electrons and collisional-radiative ionization of singly into doubly ionized helium atoms due to electronic collisions and radiative absorption. Up to one hundred coupled equations have been solved which corresponds to a level system in which levels up to principal quantum number one hundred have been taken into account. The numerical results are presented in form of curves for a large number of parameters corresponding to very different experimental situations. Comparison of our values with those experimentally determined by Mosburg and by Gippiuset al. is made.
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