Channel Mixing Effects in the Dissociative Recombination of H+3 with Slow Electrons

Details Channel Mixing Effects in the Dissociative Recombination of H+3 with Slow Electrons Channel Mixing Effects in the Dissociative Recombination of H+3 with Slow Electrons

Oct 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000phrvl..85.3785s&link_type=abstract

Physical Review Letters, Volume 85, Issue 18, October 30, 2000, pp.3785-3788

Physics

30

Scientific paper

We discuss the low-energy dissociative recombination of H+3, which strongly influences the abundance of this ion in diffuse interstellar molecular clouds. The kinetic couplings between the ionization continuum and the dissociative ground state of H3 have been used as input to a two-dimensional wave packet calculation of dissociation dynamics. The cross section obtained for direct dissociative recombination is much smaller than the latest experimental results. However, a multichannel quantum defect treatment shows that an indirect mechanism via bound Rydberg states of H3 prevails for this process.

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