Binary recombination of para- and ortho-H 3 + with electrons at low temperatures | Zendy

Petr Dohnal | Zendy; Michal Hejduk | Zendy; J. Varju | Zendy; Peter Rubovič | Zendy; Štěpán Roučka | Zendy; T. Kotrík | Zendy; R. Plašil | Zendy; Rainer Johnsen | Zendy; J. Glosı́k | Zendy

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Binary recombination of para- and ortho-H ₃ ⁺ with electrons at low temperatures

Author(s) -

Petr Dohnal,

Michal Hejduk,

J. Varju,

Peter Rubovič,

Štěpán Roučka,

T. Kotrík,

R. Plašil,

Rainer Johnsen,

J. Glosı́k

Publication year - 2012

Publication title -

philosophical transactions of the royal society a mathematical physical and engineering sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.074

H-Index - 169

eISSN - 1471-2962

pISSN - 1364-503X

DOI - 10.1098/rsta.2012.0097

Subject(s) - recombination , ion , afterglow , atomic physics , electron , dissociative recombination , spectroscopy , binary number , range (aeronautics) , physics , materials science , chemistry , nuclear physics , astrophysics , biochemistry , arithmetic , mathematics , gamma ray burst , quantum mechanics , composite material , gene

Results of an experimental study of binary recombination of para- and ortho-H(3)(+) ions with electrons are presented. Near-infrared cavity-ring-down absorption spectroscopy was used to probe the lowest rotational states of H(3)(+) ions in the temperature range of 77-200 K in an H(3)(+)-dominated afterglow plasma. By changing the para/ortho abundance ratio, we were able to obtain the binary recombination rate coefficients for pure and para-H(3)(+) and ortho-H(3)(+). The results are in good agreement with previous theoretical predictions.

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