Correlated ion and neutral time of flight technique combined with velocity map imaging: Quantitative measurements for dissociation processes in excited molecular nano-systems

The combination of the Dispositif d’Irradiation d’Agrégats Moléculaire with the correlated ion and neutral time of flight–velocity map imaging technique provides a new way to explore processes occurring subsequent to the excitation of charged nano-systems. The present contribution describes in detai...

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Bibliographic Details
Published in:Review of scientific instruments 2018-01, Vol.89 (1), p.013107-013107
Main Authors: Berthias, F., Feketeová, L., Della Negra, R., Dupasquier, T., Fillol, R., Abdoul-Carime, H., Farizon, B., Farizon, M., Märk, T. D.
Format: Article
Language:English
Subjects:
Fragmentation
Fragments
Measurement methods
Physics
Scientific apparatus & instruments
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Summary:The combination of the Dispositif d’Irradiation d’Agrégats Moléculaire with the correlated ion and neutral time of flight–velocity map imaging technique provides a new way to explore processes occurring subsequent to the excitation of charged nano-systems. The present contribution describes in detail the methods developed for the quantitative measurement of branching ratios and cross sections for collision-induced dissociation processes of water cluster nano-systems. These methods are based on measurements of the detection efficiency of neutral fragments produced in these dissociation reactions. Moreover, measured detection efficiencies are used here to extract the number of neutral fragments produced for a given charged fragment.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.5001162