Investigation into the vibrational yield of OH products in the OH+H+H channel arising from the dissociative recombination of H(3)O(+)

Vitali Zhaunerchyk; Wolf D Geppert; Stefan Rosén; Erik Vigren; Mathias Hamberg; Magdalena Kamińska; Iryna Kashperka; Magnus af Ugglas; Jacek Semaniak; Mats Larsson; Richard D Thomas

doi:10.1063/1.3141434

Investigation into the vibrational yield of OH products in the OH+H+H channel arising from the dissociative recombination of H(3)O(+)

J Chem Phys. 2009 Jun 7;130(21):214302. doi: 10.1063/1.3141434.

Authors

Vitali Zhaunerchyk¹, Wolf D Geppert, Stefan Rosén, Erik Vigren, Mathias Hamberg, Magdalena Kamińska, Iryna Kashperka, Magnus af Ugglas, Jacek Semaniak, Mats Larsson, Richard D Thomas

Affiliation

¹ Department of Physics, AlbaNova, Stockholm University, S-106 91 Stockholm, Sweden. vz@physto.se

PMID: 19508064
DOI: 10.1063/1.3141434

Abstract

The vibrational population of the hydroxyl radical, OH, formed in the OH+H+H channel arising from the dissociative recombination of the hydronium ion, H(3)O(+), has been investigated at the storage ring CRYRING using a position-sensitive imaging detector. Analysis shows that the OH fragments are predominantly produced in the v=0 and v=1 states with almost equal probabilities. This observation is in disagreement with earlier FALP experiments, which reported OH(v=0) as the dominant product. Possible explanations for this difference are discussed.