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Mass scaling and nonadiabatic effects in photoassociation spectroscopy of ultracold strontium atoms
We report photoassociation spectroscopy of ultracold $^{86}\mathrm{Sr}$ atoms near the intercombination line and provide theoretical models to describe the obtained bound-state energies. We show that using only the molecular states correlating with the ${}^{1}{S}_{0}+{}^{3}{P}_{1}$ asymptote is insufficient to provide a mass-scaled theoretical model that would reproduce the bound-state energies for …