One of the fundamental problems in few-body physics is the formation of diatomic molecules in three-atom collisions. An experimental technique now explores the resulting distribution of molecular quantum states in an ultracold gas.
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Willitsch, S. Ultracold ménage à trois. Nature Phys 9, 461–462 (2013). https://doi.org/10.1038/nphys2683
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DOI: https://doi.org/10.1038/nphys2683
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