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High-Resolution Laser Spectroscopy of YbCl: The B2Σ+–X2Σ+ Transition

✍ Scribed by C. Linton; A.G. Adam

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
95 KB
Volume
206
Category
Article
ISSN
0022-2852

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✦ Synopsis

High-resolution laser excitation spectra have been obtained for the 0-0, 1-1, and 0-1 bands of the B 2 + -X 2 + transition of YbCl and a rotational analysis has been performed on the 174 Yb 35 Cl and 172 Yb 35 Cl isotopomers. Comparison of the spin-rotation constant, γ , for the B 2 + state with the lambda-doubling constant of the A 2 1/2 state (1) shows that the two excited states form a unique perturber pair arising from the 6 pσ and 6 pπ orbitals centered on the Yb + ion. The principal results for the B 2 + state are B e = 0.097552(5) cm -1 , R e = 2.43623(6) Å, γ e = -2.1655(6) × 10 -4 cm -1 , and G 1/2 = 313.111(2) cm -1 .

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