Size-dependent electron-impact detachment of internally cold C n- and Aln- clusters

A. Diner*, Y. Toker, D. Strasser, O. Heber, I. Ben-Itzhak, P. D. Witte, A. Wolf, D. Schwalm, M. L. Rappaport, K. G. Bhushan, D. Zajfman

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Scopus citations


The size dependence of the electron detachment process of negatively charged clusters was investigated. The electron binding energy was found to be the important parameter in the determination of both the threshold behavior and the magnitude of the cross section above threshold. It was found difficult to extend systematic sie-dependent studies of electron-anion collisions to very large clusters due to the limited magnetic rigidity of the heavy ion storage rings. The results suggest that the size-dependent polarizability of the clusters is responsible for the observed behavior.

Original languageAmerican English
Article number063402
Pages (from-to)063402-1-063402-4
JournalPhysical Review Letters
Issue number6
StatePublished - 6 Aug 2004
Externally publishedYes

Bibliographical note

Funding Information:
The authors wish to thank L. H. Andersen for fruitful discussions. The work is supported by the Israel Science Foundation and by the German Israel Foundation for Scientific Research (GIF) under Contract No. I-707-55.7/2001. IBI is partly supported by the Chemical Sciences, Geosciences and Biosciences Division, Office of Basic Energy Sciences, Office of Science, U.S. Department of Energy.


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