Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/12728
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Type: | Journal article |
Title: | Asymmetry sum rule for molecular predissociation |
Author: | Hawes, Frederick T. Torop, L. W. Lewis, Brenton R. Gibson, Stephen Thomas |
Citation: | Physical Review A, 2000; 63(1):1-12 |
Publisher: | American Physical Society |
Issue Date: | 2000 |
ISSN: | 1050-2947 |
School/Discipline: | Chemistry and Physics : Physics and Mathematical Physics |
Statement of Responsibility: | F. T. Hawes, L. W. Torop, B. R. Lewis and S. T. Gibson |
Abstract: | In the case of weak diatomic molecular predissociation by noninteracting, optically inactive continuum states, it is demonstrated that the predissociation line shape is more accurately represented by a Beutler-Fano profile than by a Lorentzian. The weak asymmetry that is found to occur is due principally to interactions with neighboring vibrational resonances. For this type of predissociation in the case of multiple continua, a sum rule for the corresponding line-shape asymmetry is derived. This sum rule is verified numerically using single-channel and multichannel coupled Schrödinger-equation calculations for the Schumann-Runge band system of O2. Similar results are presented for the case of optically active continua. |
Description: | © 2000 American Physical Society |
DOI: | 10.1103/PhysRevA.63.012513 |
Appears in Collections: | Physics publications |
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hdl_12728.pdf | 121.78 kB | Adobe PDF | View/Open |
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