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Study of the N = 50 major shell effect toward 78Ni at PARRNe⋆

  • Nuclear Structure and Reactions
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Abstract.

The γ-ray de-excitations following the β-decay of 83Ga and the β-n decay of 84Ga have been studied. The radioactive species were produced using the PARRNe on-line mass-separator installed at the IPN Orsay Tandem accelerator. Two γ-lines were attributed to 83Ge with the aid of β-γ and γ-γ coincidences. The Z identification of the γ-lines was provided by time analysis of a buid-up/decay cycle. The excited levels of 83Ge can be explained by the coupling of the single neutron state ν2d 5/2 to the first 2+ excitation of the 82Ge core.

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Authors and Affiliations

  1. Institut de Physique Nucléaire, 15 rue Georges Clemenceau, 91406, Orsay, France

    O. Perru, F. Ibrahim, O. Bajeat, C. Bourgeois, F. Clapier, E. Cottereau, C. Donzaud, S. Du, M. Ducourtieux, S. Essabaa, S. Galès, D. Guillemaud-Mueller, O. Hubert, C. Lau, H. Lefort, F. Le Blanc, A. C. Mueller, J. Obert, N. Pauwels, J. C. Potier, F. Pougheon, J. Proust, B. Roussière, J. Sauvage & O. Sorlin

  2. GANIL, Bld Henri Becquerel, 14076, Caen Cedex 5, France

    D. Verney

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  1. O. Perru
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  2. D. Verney
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  5. C. Bourgeois
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  7. E. Cottereau
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  8. C. Donzaud
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  9. S. Du
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  10. M. Ducourtieux
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  11. S. Essabaa
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  13. D. Guillemaud-Mueller
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  14. O. Hubert
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  15. C. Lau
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  16. H. Lefort
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  17. F. Le Blanc
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  18. A. C. Mueller
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  19. J. Obert
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  20. N. Pauwels
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  21. J. C. Potier
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  22. F. Pougheon
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  23. J. Proust
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  24. B. Roussière
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Corresponding author

Correspondence to D. Verney.

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C. Signorini

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Perru, O., Verney, D., Ibrahim, F. et al. Study of the N = 50 major shell effect toward 78Ni at PARRNe⋆ . Eur. Phys. J. A 28, 307–312 (2006). https://doi.org/10.1140/epja/i2005-10285-9

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  • DOI: https://doi.org/10.1140/epja/i2005-10285-9

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