We observed high-resolution photoassociation spectra of laser- cooled ytterbium atoms in the 1{sup left}S{sub}0-3{sup left}P{sub}1 intercombination line. The rotational splitting of the vibrational levels could be resolved due to the narrow line width of the spectra.
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机译：我们观察到了在1 {sup left} s {sub} 0-3 {sub left} p {sub} 1个相机线中的激光冷却的ytterbium原子的高分辨率光谱光谱。由于光谱的窄线宽，可以解决振动水平的旋转分裂。
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