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Dissociation dynamics of transient anion formed via electron attachment to sulfur dioxide

Gope, K.; Prabhudesai, V. S.; Mason, N. J. and Krishnakumar, E. (2017). Dissociation dynamics of transient anion formed via electron attachment to sulfur dioxide. The Journal of Chemical Physics, 147(5), article no. 054304.

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DOI (Digital Object Identifier) Link: https://doi.org/10.1063/1.4994899
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Abstract

We report the molecular dynamics of dissociative electron attachment to sulfur dioxide (SO2) by measuring the momentum distribution of fragment anions using the velocity slice imaging technique in the electron energy range of 2–10 eV. The S- channel results from symmetric dissociation which exhibits competition between the stretch mode and bending mode of vibration in the excited parent anion. The asymmetric dissociation of parent anions leads to the production of O- and SO- channels where the corresponding neutral fragments are formed in their ground as well as excited electronic states. We also identify that internal excitation of SO- is responsible for its low yield at higher electron energies.

Item Type: Journal Item
ISSN: 0021-9606
Project Funding Details:
Funded Project NameProject IDFunding Body
ITN Lassie238258European Union FP7
Achievement of Excellence in Electron Processes for Future Technologies”(ELEvaTE)692335H2020
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Research Group: Physics
Item ID: 51382
Depositing User: Stephen Serjeant
Date Deposited: 06 Oct 2017 09:34
Last Modified: 12 Feb 2018 10:17
URI: http://oro.open.ac.uk/id/eprint/51382
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