Charge Transfer in Collisions of C + with H and H + with C

Details Charge Transfer in Collisions of C + with H and H + with C Charge Transfer in Collisions of C + with H and H + with C

Aug 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998apj...502.1006s&link_type=abstract

Astrophysical Journal v.502, p.1006

Astronomy and Astrophysics

Astronomy

25

Atomic Processes, Ism: Atoms, Stars: Supernovae: Individual Alphanumeric: Sn 1987A

Scientific paper

Charge transfer rate coefficients for collisions of C+ with H and H+ with C are presented for temperatures from 30,000 to 107 K and from 10 to 107 K, respectively. The rate coefficients were calculated from recommended cross sections deduced in a recent theoretical and experimental investigation that took into account previous measurements. Nonadiabatic radial coupling is the dominant mechanism for both reactions above ~50,000 K, but for lower temperatures the reaction of H+ with C proceeds primarily by radiative charge transfer. Implications, due to the magnitude of the rate coefficients, for various astrophysical environments are discussed.

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