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Optical Zeeman Spectroscopy of Ytterbium Monofluoride, YbF

机译:单氟化Y YbF的光学塞曼光谱

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摘要

The Zeeman-induced shifts and splittings of low-J lines in the °P12 branch of the (0,0) band of the A21-11n X~2Σ~+ electronic transition of a cold molecular beam sample of ytterbium monofluoride, YbF, have been recorded. The Zeeman spectra for the ~(171)YbF, ~(172)YbF, and ~(174)YbF isotopologues have been analyzed using a standard effective Hamiltonian approach. The magnetic g-factors determined for the A~2II_(1/2)(v = 0) state are rationalized using the predicted and observed electronic state distribution. The observed Zeeman tuning of the levels in the A~2II_(1/2(v = 0) state is unexpectedly large; this is caused by mixing with the B~2Σ~+ state.
机译:在单氟化YbF分子冷样品的A21-11n X〜2Σ〜+电子跃迁的(0,0)带的(P,0)带的°P12分支中,低塞线引起的塞曼位移和分裂具有被记录。 〜(171)YbF,〜(172)YbF和〜(174)YbF同位素同位素的塞曼光谱已使用标准有效哈密顿量法进行了分析。使用预测和观察到的电子态分布合理化确定为A〜2II_(1/2)(v = 0)态的磁性g因子。观察到的在A〜2II_(1/2(v = 0)状态下的水平的Zeeman调谐出乎意料的大;这是由于与B〜2Σ〜+状态混合引起的。

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