Sökning: WFRF:(Andersson Pontus 1971) >
Light induced suppr...
Light induced suppression of sulfur in a cesium sputter ion source
-
Martschini, Martin (författare)
-
- Rohlén, Johan (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),University of Gothenburg
-
Andersson, Pontus, 1971 (författare)
-
visa fler...
-
Golser, Robin (författare)
-
- Hanstorp, Dag, 1960 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),University of Gothenburg
-
- Lindahl, Anton, 1982 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),University of Gothenburg
-
Priller, Alfred (författare)
-
Steier, Peter (författare)
-
Forstner, Oliver (författare)
-
visa färre...
-
(creator_code:org_t)
- Elsevier BV, 2012
- 2012
- Engelska.
-
Ingår i: International Journal of Mass Spectrometry. - : Elsevier BV. - 1387-3806. ; 315, s. 55-59
- Relaterad länk:
-
https://doi.org/10.1...
-
visa fler...
-
http://dx.doi.org/10...
-
https://gup.ub.gu.se...
-
https://doi.org/10.1...
-
https://research.cha...
-
visa färre...
Abstract
Ämnesord
Stäng
- New techniques for suppression of atomic isobars in negative ion beams are of great interest for accelerator mass spectrometry (AMS). Especially small and medium-sized facilities can significantly extend their measurement capabilities to new interesting isotopes with a technique independent of terminal voltage. In a new approach, the effect of continuous wave laser light directed towards the cathode surface in a cesium sputter ion source of the Middleton type was studied. The laser light induced a significant change in oxygen, sulfur and chlorine negative ion production from a AgCl target. Approximately 100 mW of laser light reduced the sulfur to chlorine ratio by one order of magnitude. The effect was found to depend on laser power and ion source parameters but not on the laser wavelength. The time constant of the effect varied from a few seconds up to several minutes. Experiments were first performed at the ion beam facility GUNILLA at University of Gothenburg with macroscopic amounts of sulfur. The results were then reproduced at the VERA AMS facility with chemically cleaned AgCl targets containing ∼1 ppm sulfur. The physical explanation behind the effect is still unclear. Nevertheless, the technique has been successfully applied during a regular AMS measurement of 36Cl.
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
Hitta via bibliotek
Till lärosätets databas
- Av författaren/redakt...
-
Martschini, Mart ...
-
Rohlén, Johan
-
Andersson, Pontu ...
-
Golser, Robin
-
Hanstorp, Dag, 1 ...
-
Lindahl, Anton, ...
-
visa fler...
-
Priller, Alfred
-
Steier, Peter
-
Forstner, Oliver
-
visa färre...
- Om ämnet
-
- NATURVETENSKAP
-
NATURVETENSKAP
-
och Fysik
-
och Atom och molekyl ...
- Artiklar i publikationen
-
International Jo ...
- Av lärosätet
-
Göteborgs universitet
-
Chalmers tekniska högskola