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: Contribution to journalArticle

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 - Sep 7 2015

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anions
positive ions
negative ions
excitation
molecules
ions
vapor phases
cations
ionization
electronics
water
energy

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

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

In: Journal of Physics: Conference Series, Vol. 635, No. 3, 032108, 07.09.2015.

Research output: Contribution to journalArticle

Chesnel, JY, Juhász, Z, Lattouf, E, Tanis, JA, Huber, BA, Bene, E, Kovács, STS, Herczku, P, Méry, A, Poully, JC, 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, vol. 635, no. 3, 032108. https://doi.org/10.1088/1742-6596/635/3/032108
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. / Anion emission from H2O molecules colliding with positive O+ ions at keVenergies : The role of dissociative excitation. In: Journal of Physics: Conference Series. 2015 ; Vol. 635, No. 3.
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