Franck-Condon Factors and Radiative Lifetime of the A^{2}Π_{1/2} - X^{2}Σ^{+} Transition of Ytterbium Monoflouride, YbF

Details Franck-Condon Factors and Radiative Lifetime of the A^{2}Π_{1/2} - X^{2}Σ^{+} Transition of Ytterbium Monoflouride, YbF Franck-Condon Factors and Radiative Lifetime of the A^{2}Π_{1/2} - X^{2}Σ^{+} Transition of Ytterbium Monoflouride, YbF

2011-10-09

arxiv.org/abs/1110.1868v1

Physics

Atomic Physics

5 pages, 5 figures

Scientific paper

10.1039/c1cp21585j

The fluorescence spectrum resulting from laser excitation of the A^{2}\Pi_{1/2} - X^{2}\Sigma^{+} (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}\Pi_{1/2} state is measured to be 28\pm2 ns, and the corresponding transition dipole moment is 4.39\pm0.16 D. The implications for laser cooling YbF are discussed.

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