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Electron bombardment fragmentation of Ar van der Waals clusters by scattering analysis
Abstract
Arn clusters generated in a supersonic nozzle beam are investigated by exploiting their different kinematical behavior in a scattering experiment. In a crossed molecular beam experiment the Arn clusters are scattered from He atoms at E=69.7 meV. By measuring the angular and velocity distributions of the scattered clusters, the different species can be separated from each other. In this way fragmentation probabilities of small Arn clusters up to n=6 by electron impact ionization are measured. The influence of collisional dissociation of the dimer is accounted for by classical trajectory calculations. The dimer fragmentation is found to be f21=0.40±0.05, while the trimer totally fragments to dimers ( f32=0.7±0.3) and monomers ( f31=0.3). All clusters with n from 4 to 6 appear with a probability of 0.95 on the dimer ion mass.
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Cited by
Studies of multiphoton production of vacuum-ultraviolet radiation in the rare gases
McPherson, A., Gibson, G., Jara, H., Johann, U., Luk, T. S., McIntyre, I. A., Boyer, K., & Rhodes, C. K. (1987) · Journal of the Optical Society of America B · doi:10.1364/josab.4.000595 · Cited by 1,773
Infrared Spectroscopy of Size-Selected Water and Methanol Clusters
Buck, U., & Huisken, F. (2000) · Chemical Reviews · doi:10.1021/cr990054v · Cited by 666
Self-citationThe weakest bond: Experimental observation of helium dimer
Luo, F., McBane, G. C., Kim, G., Giese, C. F., & Gentry, W. R. (1993) · The Journal of Chemical Physics · doi:10.1063/1.464079 · Cited by 258
Metadata
- Authors
- Buck, U., & Meyer, H.
- Venue
- The Journal of Chemical Physics
- Publisher
- AIP Publishing
- Published
- 1986-05-01
- Volume
- 84
- Issue
- 9
- Pages
- 4854-4861
- ISSN
- 0021-9606 (ISSN-L)
- 1089-7690
- OpenAlex
- W1981422349
- Cited by
- 224
- References
- 0
- FWCI
- 10.08
- Type
- journal article
- Language
- en
- Open access
- closed
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- Buck, U., & Meyer, H. (1986). Electron bombardment fragmentation of Ar van der Waals clusters by scattering analysis. The Journal of Chemical Physics. https://doi.org/10.1063/1.449974
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