Interferences in photodetachment of a triatomic negative ion
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 dis...
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Main Authors: | , , , , , |
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Format: | Article |
Published: |
American Institute of Physics
2009
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Subjects: | |
Online Access: | http://eprints.utm.my/id/eprint/12902/ http://dx.doi.org/10.1063/1.3074372 |
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Summary: | 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. |
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