Background-free beta-decay half-life measurements by in-trap decay and 
high-resolution MR-ToF mass analysis

Wolf, Robert; Atanasov, Dinko; Blaum, Klaus; Kreim, Susanne Waltraud; Lunney, D.; Manea, Vladimir; Rosenbusch, M.; Schweikhard, L.; Welker, A.; Wienholtz, F.; Zuber, K.

doi:10.1016/j.nimb.2016.01.045

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Background-free beta-decay half-life measurements by in-trap decay and high-resolution MR-ToF mass analysis

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

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

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Blaum, Klaus
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;

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Manea, Vladimir
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;
CSNSM-IN2P3-CNRS, Université Paris-Sud, 91406 Orsay, France;

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http://www.sciencedirect.com/science/article/pii/S0168583X16001063
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Citation

Wolf, R., Atanasov, D., Blaum, K., Kreim, S. W., Lunney, D., Manea, V., et al. (2016). Background-free beta-decay half-life measurements by in-trap decay and high-resolution MR-ToF mass analysis. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 376, 275-280. doi:10.1016/j.nimb.2016.01.045.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002A-F3C1-1

Abstract

In-trap decay in ISOLTRAP’s radiofrequency quadrupole (RFQ) ion beam cooler and buncher was used to determine the lifetime of short-lived nuclides. After various storage times, the remaining mother nuclides were mass separated from accompanying isobaric contaminations by the multi-reflection time-of-flight mass separator (MR-ToF MS), allowing for a background-free ion counting. A feasibility study with several online measurements shows that the applications of the ISOLTRAP setup can be further extended by exploiting the high resolving power of the MR-ToF MS in combination with in-trap decay and single-ion counting.