Aravind, G. ; Bhargava Ram, N. ; Gupta, A. K. ; Krishnakumar, E. (2009) Probing the influence of channel coupling on the photoelectron angular distribution for the photodetachment from Cu− Physical Review A, 79 (4). 043411_1-043411_5. ISSN 1050-2947
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Official URL: http://pra.aps.org/abstract/PRA/v79/i4/e043411
Related URL: http://dx.doi.org/10.1103/PhysRevA.79.043411
Abstract
The electron-correlation effects largely determine the structure and dynamics of anions. Theoretical calculations in the literature indicate the influence of electron correlations on the absolute photodetachment cross section for Cu−, for photon energies above 3.5 eV, but has not been confirmed experimentally. In the present work we probe the influence of channel coupling on the photoelectron angular distributions for photon energies above 3.5 eV. A velocity map imaging spectrometer was tested and employed in this experiment. The experimental results for the asymmetry parameter show no deviation from the single-electron model. The results indicate no significant influence of the channel-coupling effect on the photoelectron angular distribution in the photon energy range of 3.46-4.6 eV.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 18042 |
| Deposited On: | 17 Nov 2010 13:17 |
| Last Modified: | 03 Jun 2011 12:15 |
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