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Hyperfine Interactions

, 240:62 | Cite as

Recent upgrades of the multiple-reflection time-of-flight mass spectrometer at TITAN, TRIUMF

  • Timo DickelEmail author
  • Samuel Ayet San Andrés
  • Sönke Beck
  • Julian Bergmann
  • Jens Dilling
  • Florian Greiner
  • Christine Hornung
  • Andrew Jacobs
  • Gabriella Kripko-Koncz
  • Ania Kwiatkowski
  • Erich Leistenschneider
  • Alexander Pikthtelev
  • Wolfgang R. Plaß
  • Moritz P. Reiter
  • Christoph Scheidenberger
  • Christian Will
  • for the TITAN collaboration
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Part of the following topical collections:
  1. Proceedings of the 7th International Conference on Trapped Charged Particles and Fundamental Physics (TCP 2018), Traverse City, Michigan, USA, 30 September–5 October 2018

Abstract

A multiple-reflection time-of-flight mass spectrometer (MR-TOF-MS) has been installed and integrated into the TITAN experiment at TRIUMF. The MR-TOF-MS extends the capabilities and improves the performance of the TITAN experiment, for instance it provides fast isobar separation, short measurement cycles, yield measurements and broad-band beam diagnosis, and enhanced rate capabilities and dynamic range. Thereby, even more exotic nuclides become accessible at TITAN for experiments. Such improved capabilities of TITAN have been used in first experiments to investigate the sub-shell closure of neutron-rich nuclides at N = 32 and the r-process nucleo-synthesis for masses at A ∼ 85. The vacuum system, electronics and data-acquisition hardware and software have been recently upgraded. For the first time an isomeric state has been measured with TITANs MR-TOF-MS, 84mRb (excitation energy: 464 keV). The accurate measurement of excitation energies of low-lying isomeric states is possible due to the high mass resolving power of TITANs MR-TOF-MS and a specialized data-analysis procedure.

Keywords

Mass measurements MR-TOF-MS Exotic nuclides Isomers Instrument control On- and offline data-analysis 

Notes

Acknowledgements

We want to thanks Ryan Ringle for valuable input and discussion in the development of the peak identification routines. We thank Christian Lotze for his work on the voltage control software. This work was supported by National Science and Engineering Research Council of Canada (NSERC), federal funding through TRIUMF by the National Research Council of Canada (NRC), by the German Federal Ministry for Education and Research (BMBF) under under contracts no. 05P19RGFN1, 05P12RGFN8 and 05P15RGFN1, by Justus-Liebig-Universität Gießen and GSI under the JLU-GSI strategic Helmholtzpartnership agreement, by HGS-HIRe, and by the Hessian Ministry for Science and Art (HMWK) through the LOEWE Center HICforFAIR and the LOEWE Focus AmbiProbe.

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Copyright information

© The Author(s) 2019

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Authors and Affiliations

  • Timo Dickel
    • 1
    • 2
    Email author
  • Samuel Ayet San Andrés
    • 1
    • 2
  • Sönke Beck
    • 1
    • 2
  • Julian Bergmann
    • 1
  • Jens Dilling
    • 3
  • Florian Greiner
    • 1
  • Christine Hornung
    • 1
  • Andrew Jacobs
    • 3
  • Gabriella Kripko-Koncz
    • 1
  • Ania Kwiatkowski
    • 3
  • Erich Leistenschneider
    • 3
  • Alexander Pikthtelev
    • 4
  • Wolfgang R. Plaß
    • 1
    • 2
  • Moritz P. Reiter
    • 1
    • 3
  • Christoph Scheidenberger
    • 1
    • 2
  • Christian Will
    • 1
  • for the TITAN collaboration
  1. 1.II. Physikalisches InstitutJustus Liebig Universität GießenGießenGermany
  2. 2.GSI Helmholtzzentrum für Schwerionenforschung GmbHDarmstadtGermany
  3. 3.TRIUMFVancouverCanada
  4. 4.Institute for Energy Problems of Chemical PhysicsRASChernogolovkaRussia

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