On-line separation of short-lived nuclei by a multi-reflection time-of-flight device
- Wolf, R.N.
- Beck, D.
- Blaum, K.
- Böhm, C.
- Borgmann, C.
- Breitenfeldt, M.
- Herfurth, F.
- Herlert, A.
- Kowalska, M.
- Kreim, S.
- Lunney, D.
- Naimi, S.
- Neidherr, D.
- Rosenbusch, M.
- Schweikhard, L.
- Stanja, J.
- Wienholtz, F.
- Zuber, K.
DOIAbstract
A multi-reflection time-of-flight (MR-ToF) mass analyzer has been integrated into ISOLTRAP, the precision mass spectrometer for on-line mass determinations of short-lived nuclides at ISOLDE/CERN. The new instrument improves ISOLTRAP by providing a fast separation of isobaric contaminant species as well as subsequent ion selection using the fast Bradbury-Nielsen gate. Suppression ratios of up to 104 and mass-resolving powers of over 105 have been reached in off-line experiments. Preliminary data of on-line applications illustrate the benefit and performance of the device and its potential in the context of the ISOLTRAP setup
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