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Journal of Chemical Physics / Volume 130 / Issue 21 / ARTICLES / Gas Phase Dynamics and Structure: Spectroscopy, Molecular Interactions, Scattering, and Photochemistry

J. Chem. Phys. 130, 214302 (2009); http://dx.doi.org/10.1063/1.3141434 (5 pages)

Investigation into the vibrational yield of OH products in the OH+H+H channel arising from the dissociative recombination of H3O+

Vitali Zhaunerchyk1, Wolf D. Geppert1, Stefan Rosén1, Erik Vigren1, Mathias Hamberg1, Magdalena Kamińska2, Iryna Kashperka1, Magnus af Ugglas1, Jacek Semaniak2, Mats Larsson1, and Richard D. Thomas1

1Department of Physics, AlbaNova, Stockholm University, S-106 91 Stockholm, Sweden
2Institute of Physics, Jan Kochanowski University, Świetokrzyska 15, PL25406 Kielce, Poland

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(Received 27 February 2009; accepted 4 May 2009; published online 3 June 2009)

The vibrational population of the hydroxyl radical, OH, formed in the OH+H+H channel arising from the dissociative recombination of the hydronium ion, H3O+, 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.

© 2009 American Institute of Physics

Article Outline

  1. INTRODUCTION
  2. EXPERIMENT
  3. DATA ANALYSIS PROCEDURE
  4. RESULTS AND DISCUSSION
  5. CONCLUSIONS

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KEYWORDS and PACS

Keywords

dissociation, free radicals, hydrogen compounds, ion recombination, oxygen compounds, positive ions, vibrational states

PACS

  • 33.15.Mt

    Rotation, vibration, and vibration-rotation constants

  • 34.80.Lx

    Recombination, attachment, and positronium formation

  • 34.80.Ht

    Dissociation and dissociative attachment

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3141434

PUBLICATION DATA

ISSN

0021-9606 (print)  
1089-7690 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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