On the determination of the lifetime of metastable doubly charged molecules by ion translational energy spectrometry: CO2+

Safvan, C. P. ; Mathur, D. (1993) On the determination of the lifetime of metastable doubly charged molecules by ion translational energy spectrometry: CO2+ Journal of Physics B: Atomic, Molecular and Optical Physics, 26 (22). L793-L798. ISSN 0953-4075

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Official URL: http://iopscience.iop.org/0953-4075/26/22/004

Related URL: http://dx.doi.org/10.1088/0953-4075/26/22/004

Abstract

Ion translational energy spectrometry has been applied to study the kinetic energies of fragment ions resulting from spontaneous (unimolecular) dissociation of doubly charged molecules. Analysis of the shapes of the kinetic energy distributions yields information on the lifetime of the precursor molecular ion. A value of 1.0+or-0.25 mu s is deduced for the lifetime of CO2+ ions.

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