Revision and extension to low temperature of numerical estimates of the electron collisional rates for atomic hydrogen

Details Revision and extension to low temperature of numerical estimates of the electron collisional rates for atomic hydrogen Revision and extension to low temperature of numerical estimates of the electron collisional rates for atomic hydrogen

Feb 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26as...77..157g&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 77, no. 2, Feb. 1989, p. 157-160.

Physics

23

Electron Impact, Hydrogen Atoms, Reaction Kinetics, Stellar Atmospheres, Stellar Physics

Scientific paper

Previously obtained cross-sections for the excitation of atomic hydrogen by low energy electron impact from the n = 1 and n = 2 states (Giovanardi et al., 1987) have been revised and extended to the case of low temperatures. Numerical estimates of the transition rates between 5000 and 500,000 K are presented. Estimates of the accuracy of the method of Giovanardi et al. (1987) are considered, along with the corrections needed in the 2000-5000-K range.

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