【摘 要】
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We investigate the high resolution photoassociation spectra of 85Rb2 molecules in 0u+ long range state below the (5S1/2 + 5P1/2) asymptote.The 85Rb atomic sampl
【机 构】
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State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy,
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We investigate the high resolution photoassociation spectra of 85Rb2 molecules in 0u+ long range state below the (5S1/2 + 5P1/2) asymptote.The 85Rb atomic samples are trapped in a dark magneto-optical trap (MOT) and prepared in the dark state.With the help of trap loss technique,we obtain considerable photoassociation spectroscopy with rovibrational resolution,some of which have never been observed before.The observed spectrum is fitted by a rigid rotation model,and the rotational constants of ultracold 85Rb2 molecule in long range 0u+ are obtained for different vibrational states.By applying the LeRoy-Bestein method,we assign the vibrational quantum numbers and derive C3 coefficient,which is used to obtain the potential energy curve.
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