Bereiche | Tage | Auswahl | Suche | Aktualisierungen | Downloads | Hilfe
MS: Fachverband Massenspektrometrie
MS 5: Poster
MS 5.1: Poster
Mittwoch, 4. März 2026, 17:00–19:00, Philo 1. OG
41Ca measurements using a Bragg detector at CologneAMS — •Jonathan Leven, Timm-Florian Pabst, Stefan Heinze, and Dennis Mücher — Institute of Nuclear Physics, University of Cologne
Depending on the A/Z ratio of the target isotope and its isobar, it can be helpful to use a Bragg type gas ionization chamber, instead of a multi-anode gas ionization chamber in AMS measurements. One contribution is the different scattering behavior in the detectors, with impact on the separation of the isotope of interest and its isobar(s). To exploit this, a Bragg type gas ionization chamber has been installed at the CologneAMS 6MV accelerator, with the hope of improving the separation when compared to the currently used four-anode gas ionization chamber for selected isotopes. We implemented a new, fully digital DAQ approach with the advantage of offline analysis of the pulse shape of the Bragg detector. We will present the status and first results for 41Ca AMS measurements.
Keywords: Calcium-41; Bragg chamber