On-line separation of short-lived nuclei by a multi-reflection time-of-flight 
device

Wolf, R.N.; Beck, D.; Blaum, Klaus; Böhm, Christine; Borgmann, Christopher; Breitenfeldt, M.; Herfurth, Frank; Herlert, Alexander; Kowalska, Magdalena; Kreim, Susanne Waltraud; Lunney, D.; Naimi, S.; Neidherr, Dennis; Rosenbusch, M.; Schweikhard, L.; Stanja, J.; Wienholtz, F.; Zuber, K.

doi:10.1016/j.nima.2012.05.067

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On-line separation of short-lived nuclei by a multi-reflection time-of-flight device

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Blaum, Klaus
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Böhm, Christine
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Borgmann, Christopher
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Kreim, Susanne Waltraud
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;
CERN;

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http://dx.doi.org/10.1016/j.nima.2012.05.067
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Citation

Wolf, R., Beck, D., Blaum, K., Böhm, C., Borgmann, C., Breitenfeldt, M., et al. (2012). On-line separation of short-lived nuclei by a multi-reflection time-of-flight device. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 686, 82-90. doi:10.1016/j.nima.2012.05.067.

Cite as: https://hdl.handle.net/11858/00-001M-0000-000F-A423-5

Abstract

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 from on-line applications illustrate the benefit and performance of the device and its potential in the context of the ISOLTRAP setup.