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Excited Superdeformed Band in 143Eu

  • Nuclear structure and reactions
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The European Physical Journal A - Hadrons and Nuclei Aims and scope Submit manuscript

Abstract:

A new superdeformed band has been discovered in a EUROBALL experiment and assigned to 143Eu. It has a maximum intensity of 35% of the 143Eu yrast superdeformed band and the transition energies of the two bands are very similar. Based on comparison with cranked shell model calculations the new band is tentatively assigned the high-N intruder configuration π62ν70 and the parity and signature quantum numbers (π,α) = (−1,+1/2). In addition to the already known high-energy transition at 3361 keV another discrete line at 2715 keV was found to be in coincidence with the yrast superdeformed band. However, it was not possible to connect the decay out of either of the superdeformed bands to known normally deformed states.

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Authors and Affiliations

  1. Department of Radiation Sciences, Uppsala University, Uppsala, Sweden, , , , , , SE

    A. Axelsson, A. Ataç & J. Persson

  2. The Svedberg Laboratory, Uppsala University, Uppsala, Sweden, , , , , , SE

    J. Nyberg, J.H. Huijnen & M. Weiszflog

  3. The Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark, , , , , , DK

    M.H. Bergström, B. Herskind, G. Sletten & P.G. Varmette

  4. INFN, Laboratori Nazionali di Legnaro, Legnaro, Italy, , , , , , IT

    G. de Angelis, C. Fahlander & D.R. Napoli

  5. Royal Institute of Technology, Stockholm, Sweden, , , , , , SE

    T. Bäck & B. Cederwall

  6. Department of Physics, University of Padova and INFN Padova, Padova, Italy, , , , , , IT

    D. Bazzacco, S. Lunardi & C. Rossi Alvarez

  7. Department of Physics, University of Milano and INFN Milano, Milano, Italy, , , , , , IT

    A. Bracco, F. Camera & B. Million

  8. Department of Physics, University of Jyväskylä, Jyväskylä, Finland, , , , , , FI

    M. Piiparinen

Authors
  1. A. Axelsson
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  2. J. Nyberg
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  3. A. Ataç
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  4. M.H. Bergström
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  5. B. Herskind
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  6. G. de Angelis
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  7. T. Bäck
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  8. D. Bazzacco
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  9. A. Bracco
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  10. F. Camera
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  11. B. Cederwall
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  12. C. Fahlander
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  13. J.H. Huijnen
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  14. S. Lunardi
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  15. B. Million
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  16. D.R. Napoli
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  17. J. Persson
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  18. M. Piiparinen
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  19. C. Rossi Alvarez
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  20. G. Sletten
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  21. P.G. Varmette
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  22. M. Weiszflog
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Additional information

Received: 5 July 1999

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Axelsson, A., Nyberg, J., Ataç, A. et al. Excited Superdeformed Band in 143Eu . EPJ A 6, 175–183 (1999). https://doi.org/10.1007/s100500050332

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  • DOI: https://doi.org/10.1007/s100500050332

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