Abstract
The rate coefficient for the recombination of Au20+ with free electrons was measured in the electron–ion collision energy range of 0–10 eV by employing the electron–ion merged-beams technique at the heavy-ion storage ring TSR of the Max-Planck-Institute for Nuclear Physics in Heidelberg, Germany. In contrast to earlier measurements with more highly charged Au25+ (Hoffknecht et al 1998 J. Phys. B: At. Mol. Opt. Phys. 31 2415), sharp dielectric recombination resonance features are observed.
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