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Alpha energy distribution as a probe for the feeding of ND and SD bands in 151,152Dy nuclei

  • Nuclear structure and reactions
  • Published:
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Abstract:

The study of the α-particle energy distributions associated with ND and SD states in 151,152Dy has been carried out. The Dy isotopes were produced in the reaction 37Cl +123Sb at 191 MeV via the (α5n) and (α4n) channels, respectively. In 151Dy the α-particle energy distributions associated to ND and SD are very different from each other, both at the low and high energy sides inducing a difference of 3 MeV in the α-particle mean energy. In 152Dy the situation is different; the α-particle spectral shapes are similar and a difference in the α-particle mean energy of only 0.7 MeV is deduced. A description in terms of energy localization of entry states is given.

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Authors and Affiliations

  1. Centre d'Etudes Nucleaires de Bordeaux-Gradignan, IN2P3-CNRS and Université de Bordeaux I, 33175 Gradignan Cedex, France (e-mail: aiche@cenbg.in2p3.fr), , , , , , FR

    M. Aïche, M.M. Aléonard, G. Barreau, D. Boivin, F. Bourgine, J.F. Chemin, J.N. Scheurer & T.P. Doan

  2. Istituto Nazionale di Fisica Nucleare and Dipartimento di Scienze Fisiche, Complesso Universitario di Monte S. Angelo, Via Cintia, 80126 Napoli, Italy, , , , , , IT

    A. Brondi, G. La Rana, R. Moro, A. Principe & E. Vardaci

  3. Institut de Recherches Subatomiques, IN2P3-CNRS and Université L. Pasteur, 22 rue du Loess, 67037 Strasbourg, France, , , , , , FR

    D. Curien, G. Duchêne, F.A. Beck, B. Haas & J.P. Vivien

  4. GANIL,IN2P3-CEA, Bd H. Bequerel, 14076 Caen Cedex, France, , , , , , FR

    G. de France

  5. Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse, IN2P3-CNRS, bât. 104, 91405 Orsay Campus, France, , , , , , FR

    F. Hannachi

Authors
  1. M. Aïche
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  2. M.M. Aléonard
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  3. G. Barreau
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  4. D. Boivin
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  5. F. Bourgine
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  6. J.F. Chemin
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  7. J.N. Scheurer
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  8. T.P. Doan
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  9. A. Brondi
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  10. G. La Rana
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  11. R. Moro
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  12. A. Principe
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  13. E. Vardaci
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  14. D. Curien
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  15. G. Duchêne
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  16. G. de France
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  17. F.A. Beck
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  18. B. Haas
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  19. J.P. Vivien
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  20. F. Hannachi
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Additional information

Received: 11 March 1999 / Revised version: 24 June 1999

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Aïche, M., Aléonard, M., Barreau, G. et al. Alpha energy distribution as a probe for the feeding of ND and SD bands in 151,152Dy nuclei . EPJ A 6, 121–129 (1999). https://doi.org/10.1007/s100500050326

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  • DOI: https://doi.org/10.1007/s100500050326

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