- Conference date: 22–26 March 2009
- Location: Monterey (California)
A review is given of the most commonly used databases for electron‐impact ionization and recombination data. A brief description is given of the theoretical methods used to calculate ionization and recombination cross sections, and the role of metastable fractions in experimental measurements is discussed. Some of the remaining challenges are described for both ionization and recombination data and examples of the impact of new atomic data on fractional abundance calculations are given. The impact of new atomic data on generalized collisional‐radiative coefficients is also discussed, and the importance of these density‐ and temperature‐dependent coefficients on plasma modeling is shown.
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