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Octupole-deformed molecular bands in 21Ne

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Abstract.

Cluster states up to 12 MeV in the stable light nucleus 21Ne, based on the 16 O + n + α molecular configurations, have been populated in the incomplete-fusion reaction 16  8 O(7 3 Li, np)21 10 Ne at 29.4 MeV. The observation of both intra- and inter-band transitions leads to a re-interpretation of some levels in the K π = \( {\frac{{3}}{{2}}}\) - and K π = \( {\frac{{1}}{{2}}}\) - bands. The implications of this re-ordering on the octupole doublet bands are examined. The data allow a more accurate determination of some previously uncertain level energies. The “missing” I π = \( {\frac{{5}}{{2}}}\) - level is also discussed.

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Authors and Affiliations

  1. SF7, Hahn-Meitner-Institut, Glienicker Straße 100, D-14109, Berlin, Germany

    C. Wheldon, Tz. Kokalova, W. von Oertzen, S. Thummerer, H. G. Bohlen, B. Gebauer & A. Tumino

  2. Fachbereich Physik, Freie Universität Berlin, Arnimallee 14, D-14195, Berlin, Germany

    Tz. Kokalova & W. von Oertzen

  3. Department of Physics and Astronomy, Ohio University, Athens, OH, USA

    T. N. Massey

  4. Laboratori Nazionali di Legnaro, INFN, Via Romea 4, I-35020, Legnaro (Padova), Italy

    G. de Angelis, M. Axiotis, A. Gadea, Th. Kröll, N. Mărginean, D. R. Napoli, M. De Poli & C. Ur

  5. Dipartimento di Fisica dell'Università and INFN, Sezione di Padova, I-35131, Padova, Italy

    D. Bazzacco, S. M. Lenzi, C. Rossi Alvarez, S. Lunardi & R. Menegazzo

  6. Dipartimento di Fisica dell'Università and INFN, Via G. Sansone 1, I-50019, Sesto Fiorentino (Firenze), Italy

    P. G. Bizzeti & A. M. Bizzeti-Sona

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  1. C. Wheldon
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  2. Tz. Kokalova
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  4. S. Thummerer
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  5. H. G. Bohlen
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  6. B. Gebauer
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  7. A. Tumino
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  8. T. N. Massey
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  9. G. de Angelis
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  10. M. Axiotis
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  11. A. Gadea
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  12. Th. Kröll
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  13. N. Mărginean
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  14. D. R. Napoli
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  15. M. De Poli
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  16. C. Ur
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  17. D. Bazzacco
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  18. S. M. Lenzi
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  19. C. Rossi Alvarez
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  20. S. Lunardi
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  21. R. Menegazzo
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  22. P. G. Bizzeti
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  23. A. M. Bizzeti-Sona
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Corresponding author

Correspondence to C. Wheldon.

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R. Krücken

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Wheldon, C., Kokalova, T., von Oertzen, W. et al. Octupole-deformed molecular bands in 21Ne. Eur. Phys. J. A 26, 321–326 (2005). https://doi.org/10.1140/epja/i2005-10186-y

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  • DOI: https://doi.org/10.1140/epja/i2005-10186-y

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