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Experimental and predicted Ag_2 B^1∏_u-X^1∑^+_g absorption band strengths

Antic-Jovanović, A. and Kuzmanović, M. and Bojović, V. and Khakoo, Murtadha A. and Laher, Russ R. (2010) Experimental and predicted Ag_2 B^1∏_u-X^1∑^+_g absorption band strengths. Journal of Quantitative Spectroscopy and Radiative Transfer, 111 (10). pp. 1357-1362. ISSN 0022-4073.

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Relative intensities in the absorption spectrum of the B^1∏_u–X^1∑^+_g band system of diatomic silver are measured for the first time. Analysis of these measurements is performed using Rydberg–Klein–Rees potential curves derived from the best available vibrational and rotational constants for this band system. Comparison of measured and calculated absorption band strength ratios for eleven vibrational bands reveals that the relative electronic transition moment function (ETMF) of the Ag_2 B–X system has a negative slope and decreases by ≈ 40% over the 2.43–2.58 Å range of internuclear distance. The ETMF shows some nonlinear structure; however, the empirical error bars suggest that a linear model is appropriate, thus allowing the r-centroid approximation as a simplification in our analysis.

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Additional Information:© 2010 Elsevier Ltd. Received 10 December 2009. Received 10 December 2009; revised 19 January 2010; accepted 20 January 2010. Available online 28 January 2010. This work was supported by the Ministry of Science of the Republic of Serbia, Project no. 142065.
Funding AgencyGrant Number
Ministry of Science of the Republic of Serbia142065
Subject Keywords:Silver dimer; Diatomic silver molecule; Ag2 spectrum; Ag2 B−X band system; Franck–Condon factors; Electronic transition moment function; Absorption band strengths
Issue or Number:10
Record Number:CaltechAUTHORS:20100629-072325331
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:18836
Deposited By: Ruth Sustaita
Deposited On:29 Jun 2010 15:19
Last Modified:03 Oct 2019 01:48

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