Recombination rate coefficients for astrophysical applications from storage-ring experiments

Abstract

The basic approach for measuring electron-ion recombination rate coefficients in merged-beams electron-ion collision experiments at heavy-ion storage rings is outlined. As an example experimental results for the low temperature recombination of C IV ions are compared with the recommended theoretical rate coefficient by Mazzotta et al. The latter deviates by factors of up to 5 from the experimental one.

5 pages, 3 figures, Workshop on Stellar Coronae in the Chandra and XMM-Newton era, June 2001, Noordwijk, The Netherlands, for a recent theoretical treatment of C IV DR see Pradhan and al., Phys. Rev. Lett. 87, 183201 (2001)