Experimental and predicted Ag2 B1 Πu-X1 Σg+ absorption band strengths

被引：3
|
作者：
Antic-Jovanovic, A. [2 ]
Kuzmanovic, M. [2 ]
Bojovic, V. [2 ]
Khakoo, Murtadha A. [3 ]
Laher, Russ R. [1 ]
机构：
[1] CALTECH, Spitzer Sci Ctr, Pasadena, CA 91125 USA
[2] Univ Belgrade, Fac Phys Chem, Belgrade 11158 118, Serbia
[3] Calif State Univ Fullerton, Dept Phys, Fullerton, CA 92834 USA
来源：
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER | 2010年 / 111卷 / 10期
关键词：
Silver dimer; Diatomic silver molecule; Ag-2; spectrum; Ag-2 B-X band system; Franck-Condon factors; Electronic transition moment function; Absorption band strengths; FRANCK-CONDON FACTORS; LASER SPECTROSCOPY; AG2; MOLECULE; R-CENTROIDS; B-X; SYSTEM; A(1)SIGMA(+)(U)-X-1-SIGMA(+)(G); AG-107,109(2); CLUSTERS; SPECTRUM;
D O I：
10.1016/j.jqsrt.2010.01.019
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Relative intensities in the absorption spectrum of the B-1 Pi(u)-X-1 Sigma(+)(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 approximate to 40% over the 2.43-2.58 angstrom 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. (C) 2010 Elsevier Ltd All rights reserved.
引用
收藏
页码：1357 / 1362
页数：6
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