Electron-impact dissociative excitation and ionization of N2D+
Journal Article
·
· Physical Review A
- Auburn University, Auburn, Alabama
- ORNL
- Stockholm University, Stockholm, Sweden
Absolute cross sections for electron-impact dissociation of N{sub 2}D{sub +} producing N{sub 2}{sub +}, ND{sub +}, and N{sub +} ion fragments were measured in the 5- to 100-eV range using a crossed electron-ion beams technique. In the 5- to 20-eV region, in which dissociative excitation (DE) is the principal contributing mechanism, N{sub 2}{sub +} production dominates. The N{sub 2}{sub +} + D dissociation channel shows a large resonant-like structure in the DE cross section, as observed previously in electron impact dissociation of triatomic dihydride species [ M. Fogle, E. M. Bahati, M. E. Bannister, S. H. M. Deng, C. R. Vane, R. D. Thomas and V. Zhaunerchyk Phys. Rev. A 82 042720 (2010)]. In the dissociative ionization (DI) region, 20- to 100-eV, N{sub 2}{sub +}, ND{sub +}, and N{sub +} ion fragment production are comparable. The observance of the ND{sub +} and N{sub +} ion fragments indicate breaking of the N - N bond along certain dissociation channels.
- Research Organization:
- Oak Ridge National Laboratory (ORNL)
- Sponsoring Organization:
- SC USDOE - Office of Science (SC)
- DOE Contract Number:
- AC05-00OR22725
- OSTI ID:
- 1034023
- Journal Information:
- Physical Review A, Journal Name: Physical Review A Journal Issue: 3 Vol. 84; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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