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First absolute mass measurements of short-lived isotopes

  • Lasers in Nuclear Physics
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Abstract

Absolute mass measurements of short-lived isotopes have been performed at the on-line mass separator ISOLDE at CERN by determining the cyclotron frequencies of ions confined in a Penning trap. The cyclotron frequencies for77,78,85,86,88Rb and88Sr ions could be determined with a resolving power of 3×105 and an accuracy of better than 10−6, which corresponds to 100 keV for massA=100. The shortest-lived isotope under investigation was77Rb with a half-life of 3.7 min. The resonances obtained for the isobars88Rb and88Sr were clearly resolved.

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Author notes

  1. P. Dabkiewicz

    Present address: Technische Universität, Hamburg-Harburg, Fed. Rep. Germany

  2. G. M. Temmer (Senior US Scientist Awardee, Alexander von Humboldt Foundation)

    Present address: Nuclear Physics Laboratory, Rutgers University, New Brunswick, N.J., USA

  3. G. Ulm

    Present address: Physikalisch-Technische Bundesanstalt, Berlin, Fed. Rep. Germany

Authors and Affiliations

  1. Institut für Physik, Universität Mainz, Mainz, Fed. Rep. Germany

    G. Bollen, P. Dabkiewicz, P. Egelhof, T. Hilberath, H. Kalinowsky, F. Kern, H. Schnatz, L. Schweikhard & H. Stolzenberg

  2. Foster Radiation Laboratory, McGill University, Montreal, Canada

    R. B. Moore

  3. CERN, Geneva, Switzerland

    H. -J. Kluge

  4. Institut für Physik, Universitüt Mainz, Mainz, Fed. Rep. Germany

    H. -J. Kluge

  5. CERN, Geneva, Switzerland

    G. M. Temmer (Senior US Scientist Awardee, Alexander von Humboldt Foundation) & G. Ulm

Authors
  1. G. Bollen
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  2. P. Dabkiewicz
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  3. P. Egelhof
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  4. T. Hilberath
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  5. H. Kalinowsky
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  6. F. Kern
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  7. H. Schnatz
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  8. L. Schweikhard
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  9. H. Stolzenberg
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  10. R. B. Moore
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  11. H. -J. Kluge
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  12. G. M. Temmer
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  13. G. Ulm
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Bollen, G., Dabkiewicz, P., Egelhof, P. et al. First absolute mass measurements of short-lived isotopes. Hyperfine Interact 38, 793–802 (1987). https://doi.org/10.1007/BF02394875

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  • DOI: https://doi.org/10.1007/BF02394875

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