Rate Coefficients for Charge Transfer between Hydrogen and the First 30 Elements

Details Rate Coefficients for Charge Transfer between Hydrogen and the First 30 Elements Rate Coefficients for Charge Transfer between Hydrogen and the First 30 Elements

Sep 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996apjs..106..205k&link_type=abstract

Astrophysical Journal Supplement v.106, p.205

Astronomy and Astrophysics

Astronomy

100

Atomic Data, Atomic Processes

Scientific paper

We present analytic fits to charge exchange rate coefficients over the full range of temperatures which occurs in photoionized or shock-heated plasmas. We consider reactions between neutral hydrogen and all elements with parent ion charge q = 1-4 up to Z = 30. Many rates were obtained from various sources in the literature. For reactions for which no data were available, we calculated rates using the Landau-Zener formalism. For these new reactions, we tabulate both total and state-specific rate coefficients. Ml are fitted with a consistent, accurate formula. These fits may be incorporated easily into spectral synthesis codes, and we make available an electronic form of our results. We draw attention to the most important reactions without high-quality rate coefficients to encourage further work.

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