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Measurement of the 4f strong interaction level width in light antiprotonic atoms

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Zeitschrift für Physik A Atomic Nuclei

Abstract

The yields of the atomic 4→3 transitions in antiprotonic14N,16,17,18O,19F, and23Na were measured at the CERN antiproton facility, LEAR. From these, the widths Γup of the 4f levels were determined to be 136±19meV (14N); 603±22 meV (16O); 731±35 meV (17O); 795±23 meV (18O); 2.79±0.16 eV (19F); and 23.8±7.4 eV (23Na).

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Author notes

  1. A. D. Hancock

    Present address: EG & G, 87544, Los Alamos, NM, USA

  2. A. Kreissl, U. Raich & A. Wolf

    Present address: CERN, CH-1211, Geneva 23, Switzerland

Authors and Affiliations

  1. Kernforschungszentrum Karlsruhe, Institut für Kernphysik, Federal Republic of Germany

    D. Rohmann, H. Barth, A. D. Hancock, H. Koch, Th. Köhler, A. Kreissl, H. Poth, U. Raich & A. Wolf

  2. Institut für Experimentelle Kernphysik, Universität Karlsruhe, Karlsruhe, Federal Republic of Germany

    D. Rohmann, H. Barth, A. D. Hancock, H. Koch, Th. Köhler, A. Kreissl, H. Poth, U. Raich & A. Wolf

  3. Institut für Physik, Universität Basel, Switzerland

    L. Tauscher

  4. Centre de Recherches Nucléaires, Strasbourg, France

    M. Suffert

  5. Department of Nuclear Physics, University of Thessaloniki, Greece

    M. Chardalas & S. Dedoussis

  6. Research Institute of Physics, Stockholm, Sweden

    A. Nilsson

  7. Physik Department der Technischen Universität, München, Federal Republic of Germany

    W. Kanert, T. von Egidy, F. J. Hartmann & G. Schmidt

  8. Physics Department, University of Mississippi, USA

    J. J. Reidy

Authors
  1. D. Rohmann
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  2. H. Barth
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  3. A. D. Hancock
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  4. H. Koch
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  5. Th. Köhler
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  6. A. Kreissl
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  7. H. Poth
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  8. U. Raich
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  9. A. Wolf
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  10. L. Tauscher
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  11. M. Suffert
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  12. M. Chardalas
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  13. S. Dedoussis
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  14. A. Nilsson
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  15. W. Kanert
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  16. T. von Egidy
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  17. F. J. Hartmann
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  18. G. Schmidt
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  19. J. J. Reidy
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Additional information

We would like to thank the LEAR staff for their collaboration during the data-taking of this experiment. For technical assistance we are grateful to H. Hagn, J. Hauth, E. Hechtl, M. Meyer and P. Stoeckel. We also thank Dr. G. Büche for providing us with the electromagnetic transition energy calculations. The work was supported by the Bundesministerium für Forschung und Technologie of the Federal Republic of Germany, the Swiss National Science Foundation, and the US National Science Foundation.

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Rohmann, D., Barth, H., Hancock, A.D. et al. Measurement of the 4f strong interaction level width in light antiprotonic atoms. Z. Physik A - Atomic Nuclei 325, 261–265 (1986). https://doi.org/10.1007/BF01294606

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  • DOI: https://doi.org/10.1007/BF01294606

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