August 30, 2021 to September 3, 2021
University of Innsbruck
Europe/Zurich timezone

【339】AMS of 90Sr at the sub-fg-level using laser photodetachment at VERA

Sep 1, 2021, 7:00 PM
15m
Room B

Room B

Talk Nuclear, Particle- and Astrophysics (FAKT - TASK) Nuclear, Particle- & Astrophysics

Speaker

Oscar Marchhart (University of Vienna, Faculty of Physics - Isotope Physics)

Description

$^{90}$Sr is among the most hazardous fission products with a high production yield in the nuclear fuel cycle and is of great environmental interest due to its radiotoxicity as well as its potential as a tracer. Accelerator Mass Spectrometry (AMS) is the technique of choice for the detection of minute environmental levels of long-lived radionuclides, but the background from the abundant stable atomic isobar $^{90}$Zr has so far prevented its use for $^{90}$Sr. The novel Ion Laser InterAction Mass Spectrometry (ILIAMS) setup at the Vienna Environmental Research Accelerator (VERA) overcomes this problem by neutralizing the isobar via non-resonant laser photodetachment.

Primary authors

Oscar Marchhart (University of Vienna, Faculty of Physics - Isotope Physics) Martin Martschini (University of Vienna, Faculty of Physics - Isotope Physics) Dag Hanstorp (Gothenburg University (SE)) Johannes Lachner (HZDR) Alexander Wieser (University of Vienna, Faculty of Physics - Isotope Physics) Peter Steier (University of Vienna, Faculty of Physics - Isotope Physics) Alfred Priller (University of Vienna, Faculty of Physics - Isotope Physics) Robin Golser (University of Vienna, Faculty of Physics - Isotope Physics)

Presentation materials