Do excited molecules relaxing to their ground state pass through a 'seam' connecting the potential energy profiles of the states? Experimental data suggest the answer to this long-standing question is 'yes'. See Letter p. 440
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Martinez, T. Seaming is believing. Nature 467, 412–413 (2010). https://doi.org/10.1038/467412a
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DOI: https://doi.org/10.1038/467412a
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