Afaq, A. and Ahmad, Iftikhar and Ahmad, M. A. and Rashid, A. and Tahir, B. A. and Hussain, Muhammad Tahir (2009) Interferences in photodetachment of a triatomic negative ion. Applied Physics Letters, 94 (4). ISSN 0003-6951
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Official URL: http://dx.doi.org/10.1063/1.3074372
Abstract
The photodetachment of a triatomic negative ion is studied and the detached-electron wave function is obtained as a superposition of coherent waves originating from each atom of the system. The photodetached electron flux is evaluated on a screen placed at a large distance from the system, which displays strong interferences. A simple analytical formula is also obtained for the total photodetachment cross section. The formula approaches one time the cross sections for the one-center and two-center systems in the high photon energy limits. Also it approaches three times the cross section for one-center system in the low photon energy limits.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | analytical formulas, coherent waves, cross sections, electron wave functions, negative ion, photo detachments, photodetached electrons, photodetachment cross sections, photon energies, strong interferences |
| Subjects: | Q Science > Q Science (General) |
| Divisions: | Science |
| ID Code: | 12902 |
| Deposited By: | Liza Porijo |
| Deposited On: | 06 Jul 2011 01:28 |
| Last Modified: | 06 Jul 2011 01:28 |
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