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

R.N. Wolf D. Atanasov K. Blaum S. Kreim D. Lunney 1 V. Manea M. Rosenbusch L. Schweikhard A. Welker F. Wienholtz K. Zuber
1 CSNSM SNO
CSNSM - Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse, CSNSM - Centre de Sciences Nucléaires et de Sciences de la Matière : UMR8609
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.
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Journal articles
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Submitted on : Monday, March 21, 2016 - 4:47:46 PM
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R.N. Wolf, D. Atanasov, K. Blaum, S. Kreim, D. Lunney, et al.. 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, Elsevier, 2016, ⟨10.1016/j.nimb.2016.01.045⟩. ⟨in2p3-01291605⟩

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