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Carbon clusters for absolute mass measurements at ISOLTRAP

  • K. Blaum
  • G. Bollen
  • F. Herfurth
  • A. Kellerbauer
  • H.-J. Kluge
  • M. Kuckein
  • E. Sauvan
  • C. Scheidenberger
  • L. Schweikhard

Abstract:

The cyclotron frequencies of singly charged carbon clusters Cn+ (n ≥ 2) were measured with the Penning-trap mass spectrometer ISOLTRAP at ISOLDE/CERN. The present limit of mass accuracy δm/m = 1.2 . 10-8 and the extent of the mass-dependent systematic shift (δm/m)sys = 1.7(0.6) . 10-10/u . (m - mref) of the setup were investigated for the first time. In addition, absolute mass measurements by use of pure clusters of the most abundant carbon isotope 12C are now possible at ISOLTRAP.

PACS. 21.10.Dr Binding energies and masses – 36.40.Wa Charged clusters 

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Copyright information

© Società Italiana di Fisica and Springer-Verlag 2002

Authors and Affiliations

  • K. Blaum
    • 1
  • G. Bollen
    • 2
  • F. Herfurth
    • 3
  • A. Kellerbauer
    • 4
  • H.-J. Kluge
    • 1
  • M. Kuckein
    • 5
  • E. Sauvan
    • 4
  • C. Scheidenberger
    • 1
  • L. Schweikhard
    • 6
  1. 1.GSI, D-64291 Darmstadt, GermanyDE
  2. 2.NSCL, Michigan State University, East Lansing MI 48824, USAUS
  3. 3.Sektion Physik, Ludwig-Maximilians Universität München, D-85748 Garching, GermanyDE
  4. 4.CERN, CH-1211 Geneva 23, SwitzerlandCH
  5. 5.Fakultät Für Physik, Technische Universität München, D-85748 Garching, GermanyDE
  6. 6.Instut für Physik, Ernst-Moritz-Arndt-Universität Greifswald, D-17487 Greifswald, GermanyDE

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