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Evidence for deformation in 113-116Cd isotopes

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

Abstract:

High-spin states in 113-116Cd have been investigated with the fusion-fission reaction 28Si +176Yb at 145 > MeV. The experiment has been performed with the Eurogam2 array. New rotational bands based on two quasi-particle states have been observed for even-even cadmium isotopes. A new level scheme based on the 11/2− isomeric state is proposed for 115Cd and the one of 113Cd has been extended to spin (31/2−). The decoupled bands identified in both odd-A nuclei are interpreted as being built upon a low-Ωh11/2 quasi-neutron configuration. Microscopic Hartree-Fock + BCS calculations confirm the prolate deformation in this mass region especially for the odd cadmium isotopes.

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Authors and Affiliations

  1. IPN Lyon, IN2P3/CNRS, Univ. Lyon-1, 69622 Villeurbanne Cedex, France, , , , , , FR

    N. Buforn, A. Astier, J. Meyer, M. Meyer, S. Perriès, N. Redon & O. Stézowski

  2. CSNSM Orsay, IN2P3/CNRS, Univ. Paris-Sud, 91405 Orsay Campus, France, , , , , , FR

    M.G. Porquet, I. Deloncle, A. Bauchet & A.N. Wilson

  3. IPN Orsay, IN2P3/CNRS, Univ. Paris-Sud, 91406 Orsay, France, , , , , , FR

    J. Duprat & H. Sergolle

  4. IReS Strasbourg, IN2P3/CNRS, Univ. Louis Pasteur, 67037 Strasbourg, France, , , , , , FR

    B.J.P. Gall, F. Hoellinger & N. Schulz

  5. CEA/Saclay, DAPNIA/SPhN, 91191 Gif-sur-Yvette, France, , , , , , FR

    C. Gautherin & R. Lucas

  6. University of Sofia, Faculty of Physics, 1126 Sofia, Bulgaria, , , , , , BG

    E. Gueorguieva & A. Minkova

  7. INRNE, BAN, 1784 Sofia, Bulgaria, , , , , , BG

    T. Kutsarova & Ts. Venkova

Authors
  1. N. Buforn
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  2. A. Astier
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  3. J. Meyer
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  4. M. Meyer
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  5. S. Perriès
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  6. N. Redon
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  7. O. Stézowski
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  8. M.G. Porquet
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  9. I. Deloncle
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  10. A. Bauchet
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  11. J. Duprat
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  12. B.J.P. Gall
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  13. C. Gautherin
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  14. E. Gueorguieva
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  15. F. Hoellinger
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  16. T. Kutsarova
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  17. R. Lucas
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  18. A. Minkova
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  19. N. Schulz
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  20. H. Sergolle
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  21. Ts. Venkova
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  22. A.N. Wilson
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Additional information

Received: 21 December 1999 / Revised version: 16 February 2000

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Buforn, N., Astier, A., Meyer, J. et al. Evidence for deformation in 113-116Cd isotopes . EPJ A 7, 347–353 (2000). https://doi.org/10.1007/PL00013614

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  • DOI: https://doi.org/10.1007/PL00013614

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