• Dissociative attachment of electrons to excited molecules

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      https://www.ias.ac.in/article/fulltext/pram/050/06/0591-0606

    • Keywords

       

      Dissociative attachment; excited states; negative ions

    • Abstract

       

      The development and the first results from an experiment to carry out dissociative attachment to excited molecules are discussed. A brief summary of the relevance and status of such measurements are given. Apart from measuring the absolute cross sections from excited and state selected SO2 molecule, we have been able to characterize the negative ion resonances using the excited state dissociative attachment. In addition, the state specificity of the electron attachment process has been used to derive information on the excited neutral state itself which has not been possible using optical spectroscopy. The applicability of this technique to other species are also discussed.

    • Author Affiliations

       

      E Krishnakumar1

      1. Tata Institute of Fundamental Research, Homi Bhabha Road, Mumbai - 400 005, India
    • Dates

       
  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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