Experimental evidence for a kinetic transition in reversible reactions

K. M. Solntsev, D. Huppert, N. Agmon

Research output: Contribution to journalArticlepeer-review


A first experimental verification of a theoretical prediction of a kinetic transition in a reversible binding reaction, AB ⇌ A + B, driven by the difference in effective lifetimes of the bound and the unbound states was presented. The kinetics of excited-state proton tranfer to solvent from a photoacid whose conjugate anionic base possesses an extremely short unbound anion lifetime were considered. Its solvent variation relative to the overall dissociation rate coefficient induces a transition in the kinetics, from power law to exponential.

Original languageEnglish
Pages (from-to)3427-3430
Number of pages4
JournalPhysical Review Letters
Issue number15
StatePublished - 9 Apr 2001


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