Abstract
A detailed analysis of the resonant radiative capture process by F II is carried out in the low-energy region. Contributions from the intrashell excitation modes with {Delta}{ital n}=0 and {Delta}{ital l}=1 are estimated. In addition, several peaks in the cross sections are found near the elastic threshold {sup 3}{ital P} that correspond to the excitation transitions among the ground-state multiplets, with {Delta}{ital n}=0, {Delta}{ital l}=0. They are important for temperatures below 0.1 Ry. The {Delta}{ital n}=0, {Delta}{ital l}=1 contribution is large at higher temperatures, in the region of 1 Ry, where the {Delta}{ital n}{ne}0 mode is also present. Cross sections for the direct radiative recombination are estimated to be very large for temperatures below 0.2 Ry.
Published Version
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