Publications
The electron affinity of tungsten
- Author(s)
- Anton Lindahl, Pontus Andersson, C. Diehl, Oliver Forstner, Peter Klason, Dag Hanstorp
- Abstract
The electron affinity of tungsten has been measured using laser photodetachment threshold spectroscopy in a collinear geometry. The electron affinity was determined to 6583.6(6) cm-1 by observing the onset of the process when W- ions in the 5 d56 s26S5/2 ground state are photodetached producing neutral W atoms in the 5 d46 s25D0 ground state. The measured value is in agreement with previous measurements and improves the accuracy by almost two orders of magnitude. Further, a photodetachment signal below the ground state photodetachment threshold was found, which indicates the existence of a bound excited state in W-.
- Organisation(s)
- Isotope Physics
- External organisation(s)
- University of Gothenburg, Johannes Gutenberg-Universität Mainz
- Journal
- European Physical Journal D
- Volume
- 60
- Pages
- 219-222
- No. of pages
- 4
- ISSN
- 1434-6060
- DOI
- https://doi.org/10.1140/epjd/e2010-00199-y
- Publication date
- 2010
- Peer reviewed
- Yes
- Austrian Fields of Science 2012
- 103005 Atomic physics
- Portal url
- https://ucris.univie.ac.at/portal/en/publications/the-electron-affinity-of-tungsten(9909ce42-1225-4854-b824-29b918ec36ec).html