A further study of HCO+ dissociative recombination

The rate coefficient for the dissociative recombination of HCO+ has been measured using a new flowing afterglow technique which employs a movable Langmuir probe to measure electron density and a movable mass spectrometer to measure ion density, both as a function of distance along the flow. A value...

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Published in:The Journal of chemical physics 1992-01, Vol.96 (2), p.1105-1110
Main Authors: ROWE, B. R, GOMET, J. C, CANOSA, A, REBRION, C, MITCHELL, J. B. A
Format: Article
Language:English
Subjects:
Astrophysics
Atomic and molecular collision processes and interactions
Atomic and molecular physics
Chemical Physics
Electron scattering
Exact sciences and technology
Instrumentation and Methods for Astrophysic
Physics
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description The rate coefficient for the dissociative recombination of HCO+ has been measured using a new flowing afterglow technique which employs a movable Langmuir probe to measure electron density and a movable mass spectrometer to measure ion density, both as a function of distance along the flow. A value of 2.2×10−7 cm3 s−1 has been found at 300 K. An analysis of the excitation state of the ions indicates that more than 93% are in the v=0 state while the rest have ∼0.1 eV of internal energy. A discussion of recent theoretical controversy concerning this ion is given.
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source American Institute of Physics
subjects Astrophysics
Atomic and molecular collision processes and interactions
Atomic and molecular physics
Chemical Physics
Electron scattering
Exact sciences and technology
Instrumentation and Methods for Astrophysic
Physics
title A further study of HCO+ dissociative recombination
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