Recombination of D+3 Ions in the Afterglow of a He-Ar- D2 Plasma

Details Recombination of D+3 Ions in the Afterglow of a He-Ar- D2 Plasma Recombination of D+3 Ions in the Afterglow of a He-Ar- D2 Plasma

Jan 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002phrvl..88d4802p&link_type=abstract

Physical Review Letters, vol. 88, Issue 4, id. 044802

Physics

15

Scientific paper

We report measurements of the rate coefficient α for recombination of D+3 with electrons in a He-Ar-D2 plasma. The observed rate coefficient is dependent on the deuterium number density indicating that third-body assisted recombination is efficient and significantly contributes to recombination. When the deuterium number density is decreased to 7×1010 cm-3, the rate coefficient also decreases to α~6×10-9 cm3 s-1. These data indicate that the binary dissociative recombination of D+3 is very slow with αDR<6×10-9 cm3 s-1. The observation of a deionization process proceeding via formation of D+5 is also reported.

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