Velocity slice imaging study on dissociative electron attachment to CF4

Frímann H. Ómarsson; Ewelina Szymańska; Nigel J. Mason; E. Krishnakumar; Oddur Ingólfsson

doi:10.1140/epjd/e2014-40804-5

2021 Impact factor 1.611

Atomic, Molecular, Optical and Plasma Physics

Topical issue: Electron and Positron Induced Processes. Guest editors: Michael Brunger, Radu Campeanu, Masamitsu Hoshino, Oddur Ingólfsson, Paulo Limão-Vieira, Nigel Mason, Yasuyuki Nagashima and Hajime Tanuma

Eur. Phys. J. D (2014) 68: 101
https://doi.org/10.1140/epjd/e2014-40804-5

Regular Article

Velocity slice imaging study on dissociative electron attachment to CF₄^*

Frímann H. Ómarsson¹, Ewelina Szymańska², Nigel J. Mason², E. Krishnakumar³ and Oddur Ingólfsson¹^a

¹ Science Institute, University of Iceland, Dunhaga 3, 107 Reykjavík, Iceland
² Department of Physical Sciences, The Open University, Walton Hall, MK7 6AA, Milton Keynes, UK
³ Tata Institute of Fundamental Research, Homi Bhabha Road, Colaba, 400005 Mumbai, India

^a e-mail: odduring@hi.is

Received: 16 December 2013
Received in final form: 24 February 2014
Published online: 29 April 2014

Abstract

A Velocity Slice Imaging (VSI) study on Dissociative Electron Attachment (DEA) to carbon tetrafluoride, CF₄, is presented. Two fragments are observed; F⁻ produced from two, partly overlapping, resonances and CF₃^- deriving from a single resonance. The angular distributions of these anionic fragments and their kinetic energy distributions are reported and are then discussed in context of the influence of the Jahn-Teller effect on the symmetry of the resonant states involved.

Contribution to the Topical Issue “Electron and Positron Induced Processes”, edited by Michael Brunger, Radu Campeanu, Masamitsu Hoshino, Oddur Ingólfsson, Paulo Limão-Vieira, Nigel Mason, Yasuyuki Nagashima and Hajime Tanuma.

© EDP Sciences, Società Italiana di Fisica, Springer-Verlag 2014