Franck-Condon factors and radiative lifetime of the A2Π(1/2)-X2Σ+ transition of ytterbium monofluoride, YbF
The fluorescence spectrum resulting from laser excitation of the A(2)Π(1/2)←X(2)Σ(+) (0,0) band of ytterbium monofluoride, YbF, has been recorded and analyzed to determine the Franck-Condon factors. The measured values are compared with those predicted from Rydberg-Klein-Rees (RKR) potential energy...
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Veröffentlicht in: | Physical chemistry chemical physics : PCCP 2011-11, Vol.13 (42), p.19013-19017 |
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creator | Zhuang, Xiujuan Le, Anh Steimle, Timothy C Bulleid, N E Smallman, I J Hendricks, R J Skoff, S M Hudson, J J Sauer, B E Hinds, E A Tarbutt, M R |
description | The fluorescence spectrum resulting from laser excitation of the A(2)Π(1/2)←X(2)Σ(+) (0,0) band of ytterbium monofluoride, YbF, has been recorded and analyzed to determine the Franck-Condon factors. The measured values are compared with those predicted from Rydberg-Klein-Rees (RKR) potential energy curves. From the fluorescence decay curve the radiative lifetime of the A(2)Π(1/2) state is measured to be 28 ± 2 ns, and the corresponding transition dipole moment is 4.39 ± 0.16 D. The implications for laser cooling YbF are discussed. |
doi_str_mv | 10.1039/c1cp21585j |
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The measured values are compared with those predicted from Rydberg-Klein-Rees (RKR) potential energy curves. From the fluorescence decay curve the radiative lifetime of the A(2)Π(1/2) state is measured to be 28 ± 2 ns, and the corresponding transition dipole moment is 4.39 ± 0.16 D. 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The measured values are compared with those predicted from Rydberg-Klein-Rees (RKR) potential energy curves. From the fluorescence decay curve the radiative lifetime of the A(2)Π(1/2) state is measured to be 28 ± 2 ns, and the corresponding transition dipole moment is 4.39 ± 0.16 D. 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title | Franck-Condon factors and radiative lifetime of the A2Π(1/2)-X2Σ+ transition of ytterbium monofluoride, YbF |
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