Charge transfer in collisions of doubly charged ions of iron and nickel with hydrogen atoms

Details Charge transfer in collisions of doubly charged ions of iron and nickel with hydrogen atoms Charge transfer in collisions of doubly charged ions of iron and nickel with hydrogen atoms

Apr 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phrva..35.3142n&link_type=abstract

Physical Review A - General Physics, 3rd Series (ISSN 0556-2791), vol. 35, April 1, 1987, p. 3142-3144. DOE-supported research.

Physics

General Physics

32

Charge Transfer, Hydrogen Atoms, Ion Charge, Metal Ions, Solar Corona, Electron Impact, Thermal Energy, Thresholds

Scientific paper

The Landau-Zener approximation is used to compute the charge-transfer recombination rate coefficients of Fe(2+) and Ni(2+) in hydrogen at thermal energies. The energy separations of the adiabatic potential-energy curves of the quasi-molecules FeH(2+) and NiH(2+) are obtained from one-electron calculations. The rate coefficients are of the order of 10 to the -9th cu cm/s or greater. Charge transfer of Fe(2+) occurs preferentially into the ground state of Fe(+) so that the reverse process of charge-transfer ionization of Fe(+) in collision with H(+) also occurs rapidly above the reaction threshold.

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