title: Binary recombination of H3(+) and D3(+) ions with electrons in plasma at 50-230 K.
abstract: The results of an experimental study of the H3(+) and D3(+) ions recombination with electrons in afterglow plasmas in the temperature range 50-230 K are presented. A flowing afterglow apparatus equipped with a Langmuir probe was used to measure the evolution of the electron number density in the decaying plasma. The obtained values of the binary recombination rate coefficient are αbinH3(+) = (6.0 ± 1.8) × 10(-8)(300/T)(0.36±0.09) cm(3) s(-1) for H3(+) ions in the temperature range 80-300 K and αbinD3(+) = (3.5 ± 1.1) × 10(-8)(300/T)(0.73±0.09) cm(3) s(-1) for D3(+) ions in the temperature range 50-300 K. This is the first measurement of the binary recombination rate coefficient of H3(+) and D3(+) ions in a plasma experiment down to 50 K.
authors.affiliation: Department of Surface and Plasma Science, Faculty of Mathematics and Physics, Charles University , Prague 18000, Czech Republic.
authors.forename: Peter
authors.initials: P
authors.lastname: Rubovič
authors.forename: Petr
authors.initials: P
authors.lastname: Dohnal
authors.forename: Michal
authors.initials: M
authors.lastname: Hejduk
authors.forename: Radek
authors.initials: R
authors.lastname: Plašil
authors.forename: Juraj
authors.initials: J
authors.lastname: Glosík