Excitation rate coefficients form the ground state of atomic hydrogen to the N = 2 and N = 3 levels

Details Excitation rate coefficients form the ground state of atomic hydrogen to the N = 2 and N = 3 levels Excitation rate coefficients form the ground state of atomic hydrogen to the N = 2 and N = 3 levels

Jan 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.202p..15a&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 202, Jan. 1983, p. 15P-20P.

Astronomy and Astrophysics

Astronomy

40

Atomic Energy Levels, Atomic Excitations, Ground State, Hydrogen Atoms, Coefficients, Electron Energy, Plasma Diagnostics

Scientific paper

Electron excitation rate coefficients have been calculated for excitation of the ground state of atomic hydrogen to the n = 2 and 3 levels over a wide temperature range. These are based upon the best assessed collision cross-sections, both experimental and theoretical, available in the literature. A comparison of the present results with those of the earlier calculation shows a difference of as much as a factor of 9 at some temperatures. Analytic expressions are given for the effective collision strengths so that these can be easily used to get the rate coefficients at any desired temperature.

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