Measurement and modeling of hyperfine- and rotation-induced state mixing in large weakly bound sodium dimers

We present high-precision trap loss spectroscopy of excited Na{sub 2} molecules obtained by the photoassociation of ultracold sodium atoms. Near the 3 {sup 2}S+3 {sup 2}P{sub 3/2} dissociation limit, hyperfine and rotational (Coriolis-type) interactions cause significant mixing of states of differen...

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