Electronic and vibrational predissociation in Ari2 photodissociation dynamics

Bruno Lepetit, Octavio Roncero, Alexei A. Buchachenko, Nadine Halberstadt

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)


A quantum dynamical study of the ArI2 predissociation where both vibrational and electronic processes can take place was performed. A set of 5 coupled diatomics-in-molecules (DIM) electronic potentials was used. Both perpendicular and linear initial ArI2(X) isomers were considered. Only the a state had non-negligible effect on photodissociation dynamics for the linear isomer. Decay rates oscillated as a function of the vibrational excitation of I2(B) but the intramolecular vibrational energy was the main source of energy which occurred in vibrational predissociation.

Original languageEnglish
Pages (from-to)8367-8375
Number of pages9
JournalJournal of Chemical Physics
Issue number19
Publication statusPublished - 15 Mar 2002
Externally publishedYes


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