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New isomeric states in 152,154,156Nd produced by spontaneous fission of 252Cf

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

Abstract:

Isomeric states have been observed in fission-fragments produced by spontaneous fission of 252Cf. These states are found in neutron rich nuclei of different structure and deformations. About 50 isomeric nuclei have been observed using coincidences between γ-rays identified in EUROGAM II and fission fragments detected in photovoltaic cells (SAPhIR). Lifetimes in the range from 20 ns to 2μs have been measured. Presented calculations based on HFB +D1S force on new measured isomeric states in the 152,154,156Nd show evidence for K-isomers.

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Authors and Affiliations

  1. Commissariat à l'Energie Atomique de Saclay, DSM/DAPNIA/SPhN, F-91191 Gif sur Yvette Cedex, France, , , , , , FR

    C. Gautherin, M. Houry, W. Korten, Y. Le Coz, R. Lucas, X.H. Phan & C. Theisen

  2. Centre d'Etudes Nucléaires de Bordeaux-Gradignan, Domaine du Haut Vigneau, F-33175 Gradignan, France, , , , , , FR

    C. Badimon, G. Barreau, T.P. Doan & G. Pedemay

  3. Commissariat à l'Energie Atomique de Bruyères-le-Châtel, DAM/SPN, BP12, F-91680 Bruyères-le-Châtel, France, , , , , , FR

    G. Bélier, M. Girod, V. Méot & S. Peru

  4. Institut de Physique Nucléaire de Lyon, F-69622 Villeurbanne Cedex, France, , , , , , FR

    A. Astier, L. Ducroux, M. Meyer & N. Redon

Authors
  1. C. Gautherin
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  2. M. Houry
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  3. W. Korten
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  4. Y. Le Coz
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  5. R. Lucas
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  6. X.H. Phan
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  7. C. Theisen
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  8. C. Badimon
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  9. G. Barreau
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  10. T.P. Doan
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  11. G. Pedemay
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  12. G. Bélier
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  13. M. Girod
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  14. V. Méot
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  15. S. Peru
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  16. A. Astier
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  17. L. Ducroux
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  18. M. Meyer
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  19. N. Redon
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Additional information

Received: 3 November 1997 / Revised version: 15 December 1997

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Gautherin, C., Houry, M., Korten, W. et al. New isomeric states in 152,154,156Nd produced by spontaneous fission of 252Cf . EPJ A 1, 391–397 (1998). https://doi.org/10.1007/s100500050074

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  • DOI: https://doi.org/10.1007/s100500050074

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