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Journal Article

Λ doubling in the B3Π1 state of TlF


Meijer,  Gerard
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Meijer, G., & Sartakov, B. G. (2020). Λ doubling in the B3Π1 state of TlF. Physical Review A, 101(4): 042506. doi:10.1103/PhysRevA.101.042506.

Cite as: https://hdl.handle.net/21.11116/0000-0006-0FBF-4
Thallium monofluoride is a prime candidate molecule for precision measurements aimed at discovering new physics. Optical cycling on the B←X transition around 271 nm enhances this potential. Hyperfine resolved ultraviolet spectra have been reported to determine the degree of rotational level mixing in the B state and the efficiency of laser cooling on the B←X transition [Norrgard et al., Phys. Rev. A 95, 062506 (2017)]. Using these high-resolution spectra, the hyperfine structure in the B state of TlF is reanalyzed and the magnitude of the Λ doubling in the B state is discussed.