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

R.N. Wolf F. Wienholtz D. Atanasov D. Beck K. Blaum Ch. Borgmann F. Herfurth M. Kowalska S. Kreim Yu. A. Litvinov D. Lunney 1 V. Manea 2 D. Neidherr M. Rosenbusch L. Schweikhard J. Stanja K. Zuber
CSNSM - Centre de Sciences Nucléaires et de Sciences de la Matière : UMR8609, CSNSM - Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse
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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Submitted on : Wednesday, August 21, 2013 - 4:02:03 PM
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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, Elsevier, 2013, article in press, ⟨10.1016/j.ijms.2013.03.020⟩. ⟨in2p3-00852868⟩



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