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New mass measurements at the neutron drip-line

  • ENAM 2004
  • Published:
The European Physical Journal A - Hadrons and Nuclei Aims and scope Submit manuscript

Abstract.

A new SPEG mass measurement experiment has been performed to determine masses closer to the neutron drip-line in the mass region A ∼ 10-50. The precision of 37 masses has been improved and 8 masses were measured for the first time. The region covered was motivated by the study of shell structure and of shape coexistence in the region of closed shells N = 20 and N = 28. The evolution of the two neutron separation energies and the shell correction energy have been studied as a function of the neutron number. The results thus obtained provide a means of identifying, in exotic nuclei, new nuclear structure effects that are well illustrated by the changes of the conventional magic structure.

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Author information

Authors and Affiliations

  1. GANIL, BP 55027, F-14075, Caen Cedex 5, France

    H. Savajols, B. Jurado, W. Mittig, C. E. Demonchy, L. Giot, A. Khouaja, S. Pita, M. Rousseau, P. Roussel-Chomaz & A. C. C. Villari

  2. Nuclear Physics Institute ASCR, 25068, Rez, Czech Republic

    D. Baiborodin, Z. Dlouhy & J. Mrazek

  3. Nuclear Physics Department, University of Surrey, GU27XH, Guilford, UK

    W. Catford

  4. Department of Physics, University of Liverpool, L69 7ZE, Liverpool, UK

    M. Chartier & C. E. Demonchy

  5. CEA/DSM/DAPNIA/SPHN, CEN Saclay, F-91191, Gif-sur Yvette, France

    A. Gillibert

  6. LPC - ISMRA and University of Caen, F-6704, Caen, France

    L. Giot & N. Orr

  7. IReS - Strasbourg, 23 rue du loess, BP 28, F-67037, Strasbourg, France

    M. Rousseau

  8. University of S ao Paulo IFUSP, C.P. 66318, 05315-970, S ao Paulo, Brazil

    A. Lépine-Szily S. Lukyanov

  9. FLNR, JINR Dubna, P.O. Box 79, 101000, Moscow, Russia

    A. Lépine-Szily S. Lukyanov & Y. Penionzhkevich

  10. LNS-INFN, 44 S. Sofia, I-95129, Catania, Italy

    A. Khouaja

  11. Collège de France, 11 Place Marcelin Berthelot, F-75231, Paris Cedex 05, France

    S. Pita

  12. LPTN Faculty of Sciences, El Jadida BP 20, 24000, El Jadida, Morocco

    A. Khouaja

  13. Physics Division, Argonne National Laboratory, 9700 S. Cass Av., 60439, Argonne, IL, USA

    A. C. C. Villari

Authors
  1. H. Savajols
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  2. B. Jurado
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  3. W. Mittig
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  4. D. Baiborodin
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  5. W. Catford
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  6. M. Chartier
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  7. C. E. Demonchy
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  8. Z. Dlouhy
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  9. A. Gillibert
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  10. L. Giot
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  11. A. Khouaja
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  12. A. Lépine-Szily S. Lukyanov
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  13. J. Mrazek
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  14. N. Orr
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  15. Y. Penionzhkevich
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  16. S. Pita
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  17. M. Rousseau
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  18. P. Roussel-Chomaz
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  19. A. C. C. Villari
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Corresponding author

Correspondence to H. Savajols.

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Savajols, H., Jurado, B., Mittig, W. et al. New mass measurements at the neutron drip-line. Eur. Phys. J. A 25 (Suppl 1), 23–26 (2005). https://doi.org/10.1140/epjad/i2005-06-189-6

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  • DOI: https://doi.org/10.1140/epjad/i2005-06-189-6

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