Anion emission from H2O molecules colliding with positive O+ ions at keVenergies: The role of dissociative excitation

J. Y. Chesnel, Z. Juhász, E. Lattouf, J. A. Tanis, B. A. Huber, E. Bene, S. T.S. Kovács, P. Herczku, A. Méry, J. C. Poully, J. Rangama, B. Sulik

Research output: Conference article

Abstract

It is shown that negative ions can be ejected from gas-phase water molecules when bombarded with positive ions at keV energies. Emission of both H- and heavier (O- and OH-) anions is observed. Electronic excitation and ionization processes are shown to play a decisive role in cation-induced anion formation.

Original languageEnglish
Article number032108
JournalJournal of Physics: Conference Series
Volume635
Issue number3
DOIs
Publication statusPublished - szept. 7 2015
Event29th International Conference on Photonic, Electronic and Atomic Collisions, ICPEAC 2015 - Toledo, Spain
Duration: júl. 22 2015júl. 28 2015

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Chesnel, J. Y., Juhász, Z., Lattouf, E., Tanis, J. A., Huber, B. A., Bene, E., Kovács, S. T. S., Herczku, P., Méry, A., Poully, J. C., Rangama, J., & Sulik, B. (2015). Anion emission from H2O molecules colliding with positive O+ ions at keVenergies: The role of dissociative excitation. Journal of Physics: Conference Series, 635(3), [032108]. https://doi.org/10.1088/1742-6596/635/3/032108