Abstract
SynopsisElectron-ion recombination of W19+ forming W18+ has been studied both experimentally and theoretically. An exceptionally large recombination rate coefficient was observed by the storage-ring experiment at zero electron-ion collision energy. It exceeds the expectation for nonresonant radiative recombination (RR) by more than two orders of magnitude. This follows the pattern seen previously for the neighboring charge states of tungsten. The results of our present theoretical calculations, which were carried-out within the Breit-Wigner partitioned framework for resonant electron-ion recombination of complex ions, agree with this observation.
Highlights
PD tions come from theoretical calculations which often bear large uncertainties and, require benchmarking by experiment
Most of the required cross sections come from theoretical calculations which often bear large uncertainties and, require benchmarking by experiment
We have focussed on tungsten ions with a complex atomic structure, i.e, ions with a nearly half open 4f shell
Summary
PD tions come from theoretical calculations which often bear large uncertainties and, require benchmarking by experiment. Most of the required cross sections come from theoretical calculations which often bear large uncertainties and, require benchmarking by experiment.
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