Radiative and nonradiative charge transfer in collisions of H(+) with Li below 1 keV

Details Radiative and nonradiative charge transfer in collisions of H(+) with Li below 1 keV Radiative and nonradiative charge transfer in collisions of H(+) with Li below 1 keV

Jul 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994apj...430..435k&link_type=abstract

The Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 430, no. 1, p. 435-437

Astronomy and Astrophysics

Astrophysics

16

Atomic Collisions, Atomic Excitations, Charge Exchange, Electron Transfer, Hydrogen Ions, Ionic Collisions, Lithium, Particle Collisions, Protons, Radiative Transfer, Astronomical Models, Configuration Interaction, Interstellar Matter, Molecular Orbitals, Quantum Mechanics, Temperature Effects

Scientific paper

Charge transfer resulting from collisions of H(+) with Li is studied from 1 keV/u down to 10-5 eV/u. Excitation to Li* (2p) and charge transfer to H(n = 2) are found to be dominant above 10 eV. Below 10 eV, nonradiative charge transfer to H(1s) takes over, and at much lower energies radiative charge transfer/association becomes dominant. The rate coefficient for radiative charge transfer/association is on the order of10--17 cc/s with a slowly decreasing trend as the temeprature increases, while that for non-radiative charge transfer varies drastically from 10-20 cc/s at 100 K to 10-12 cc/s at 10,000 K.

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