Further measurements of the H3+ (v = 0,1,2) dissociative recombination rate coefficient

Article abstract of DOI:10.1063/1.463282

A new flowing afterglow apparatus that utilizes a Langmuir probe/mass spectrometer to monitor both electron and ion decay in a hydrogen plasma has been used to measure the dissociative recombination rate coefficient of H3⁺ at two different electron temperatures.At 300 K a rate coefficient of 1.5 * 10^-7 cm³ s^-1 was found for H3⁺ ions with a low degree of vibrational excitation (v<*>2).The rate coefficient for ground state ions H3⁺ (v = 0) was measured as 1.1 * 10^-7 cm³ s^-1 at 650 K.A discussion is given of the excitation states of H3⁺ ions in the afterglow in the light of slow deexcitation rates for low vibrational states.A new model for the recombination of H3⁺ is presented.

Full text of DOI:10.1063/1.463282

Further measurements of the H+ 3(v=0,1,2) dissociative recombination rate
coefficient
A. Canosa, J. C. Gomet, B. R. Rowe, J. B. A. Mitchell, and J. L. Queffelec
Citation: The Journal of Chemical Physics 97, 1028 (1992); doi: 10.1063/1.463282
View online: http://dx.doi.org/10.1063/1.463282
View Table of Contents: http://scitation.aip.org/content/aip/journal/jcp/97/2?ver=pdfcov
Published by the AIP Publishing
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