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Journal Articles International Journal of Mass Spectrometry Year : 2013

ISOLTRAP's multi-reflection time-of-flight mass separator/spectrometer

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R.N. Wolf
  • Function : Author
F. Wienholtz
  • Function : Author
D. Atanasov
  • Function : Author
D. Beck
  • Function : Author
K. Blaum
Ch. Borgmann
  • Function : Author
F. Herfurth
  • Function : Author
M. Kowalska
  • Function : Author
S. Kreim
  • Function : Author
Yu. A. Litvinov
  • Function : Author
D. Lunney
  • Function : Author
D. Neidherr
  • Function : Author
M. Rosenbusch
  • Function : Author
L. Schweikhard
  • Function : Author
J. Stanja
  • Function : Author
K. Zuber
  • Function : Author

Abstract

The online precision mass spectrometer ISOLTRAP at ISOLDE/CERN was recently upgraded by adding a multi-reflection time-of-flight mass separator/spectrometer (MR-ToF MS) between the linear radio-frequency ion trap and the two Penning traps already in place. As a mass separator, the MR-ToF device has improved significantly ISOLTRAP's capability of purification of contaminated ion beams. In addition, the MR-ToF MS can be operated as a mass spectrometer, either to analyze the ISOLDE ion beam or for precision mass measurements of nuclides that are shorter-lived or that have lower yields than those accessible for Penning-trap mass spectrometry. The MR-ToF MS and corresponding components, its integration into ISOLTRAP, and its various operation modes are reviewed. Furthermore, a precision measurement of the 137Eu mass is presented, determined with the help of the MR-ToF device as a mass separator.
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Dates and versions

in2p3-00852868 , version 1 (21-08-2013)

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Cite

R.N. Wolf, F. Wienholtz, D. Atanasov, D. Beck, K. Blaum, et al.. ISOLTRAP's multi-reflection time-of-flight mass separator/spectrometer. International Journal of Mass Spectrometry, 2013, article in press, ⟨10.1016/j.ijms.2013.03.020⟩. ⟨in2p3-00852868⟩

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