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Too slow to be activated

Light is often used to trigger reactions, energetically exciting the reactant(s) to kick them over the intrinsic reaction barrier. Now, however, the reaction between an excited atom and a charged molecule at very low temperatures has been shown not to adhere to this paradigm, instead undergoing a reaction blockading effect.

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Fig. 1: Excited states of calcium.


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Correspondence to Roland Wester.

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Wester, R. Too slow to be activated. Nat. Chem. 11, 600–601 (2019).

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