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Franck–Condon factors and r-Centroids for the A1Σ+u-X1Σ+g Band System of 107,109Ag2: Comparison of the Observed and Calculated Absorption Band Strengths

Antić-Jovanović, A. and Kuzmanović, M. and Bojović, V. and Khakoo, Murtadha A. and Laher, Russ R. (2007) Franck–Condon factors and r-Centroids for the A1Σ+u-X1Σ+g Band System of 107,109Ag2: Comparison of the Observed and Calculated Absorption Band Strengths. Chinese Physics Letters, 24 (9). pp. 2566-2568. ISSN 0256-307X. https://resolver.caltech.edu/CaltechAUTHORS:ANTcpl07

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Abstract

Franck–Condon factors and r-centroids for the A1Σ+u-X1Σ+g band system of 107,109Ag2 are computed using Morse and Rydberg–Klein–Rees potentials for both lower and upper electronic states. The differences between the two sets of results are typically in the third decimal place for transitions involving vibrational levels with v' and v'' up to about 15. Somewhat larger deviations appear for higher vibrational levels, but both sets of results follow the same pattern, which is to match well with the relative absorption band strength distribution in our experimental spectrum. The relative absorption band strengths are calculated by assuming that the electronic transition moment has only a weak dependence on the internuclear distance r. Good agreement between our measured and calculated absorption band strength ratios is found, which provides an excellent test of the calculated Franck-Condon factors and relative absorption band strengths. The r-centroid value for the (v' = 0, v'' = 0) band is found to be approximately equal to the average value of re' and re'', indicating that the potentials of both states are not significantly anharmonic around their minimum regions.


Item Type:Article
Related URLs:
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https://doi.org/10.1088/0256-307X/24/9/028DOIUNSPECIFIED
ORCID:
AuthorORCID
Laher, Russ R.0000-0003-2451-5482
Additional Information:©2007 Chines Physical Society and IOP Publishing Limited. Received 3 April 2007. Print publication: Issue 9 (September 2007) Supported by the Ministry of Science and Environmental Protection of the Republic of Serbia under Grant No 142065.
Issue or Number:9
Record Number:CaltechAUTHORS:ANTcpl07
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:ANTcpl07
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:8705
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:06 Sep 2007
Last Modified:03 Mar 2020 13:01

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