Vejby-Christensen, L. ; Kella, D. ; Mathur, D. ; Pedersen, H. B. ; Schmidt, H. T. ; Andersen, L. H. (1996) Electron-impact detachment from negative ions Physical Review A, 53 (4). pp. 2371-2378. ISSN 1050-2947
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Official URL: http://pra.aps.org/abstract/PRA/v53/i4/p2371_1
Related URL: http://dx.doi.org/10.1103/PhysRevA.53.2371
Abstract
Electron-impact detachment cross sections have been measured from threshold to about 30 eV for D- and O-. The purpose was to investigate the cross section near threshold and to reinvestigate earlier claims of resonances due to short-lived states of the doubly charged negative ion. Initial results for D- showed no resonances [L. H. Andersen, D. Mathur, H. T. Schmidt, and L. Vejby-Christensen, Phys. Rev. Lett. 74, 892 (1995)]. Here we show that there is no detectable resonance structure for O- either. The applied experimental technique is discussed in detail. Classical and semiclassical models for the detachment process are presented and compared with the data.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 77557 |
| Deposited On: | 13 Jan 2012 06:48 |
| Last Modified: | 13 Jan 2012 06:48 |
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