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Observation of superdeformed states in 88Mo

  • Nuclear structure and reactions
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Abstract.

High-spin states in 88Mo were studied using the Gammasphere germanium detector array in conjunction with the Microball CsI(Tl) charged-particle detector system. Three γ-ray cascades with dynamic moments of inertia showing similar characteristics to superdeformed rotational bands observed in the neighbouring A= 80 region have been identified and assigned to the nucleus 88Mo. The quadrupole moment of the strongest band, deduced by the Residual Doppler Shift Method, corresponds to a quadrupole deformation of β2≈ 0.6. This confirms the superdeformed nature of this band. The experimental data are interpreted in the framework of total routhian surface calculations. All three bands are assigned to two-quasi-particle proton configurations at superdeformed shape.

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Authors and Affiliations

  1. Department of Physics, Royal Institute of Technology, 104 05 Stockholm, Sweden, , , , , , SE

    T. Bäck, B. Cederwall, R. Wyss, A. Johnson & J. Cederkäll

  2. Chemistry Department, Washington University, St. Louis, MO 63130, USA, , , , , , US

    M. Devlin, J. Elson, D.R. LaFosse, F. Lerma & D.G. Sarantites

  3. Nuclear Science Division, Lawrence Berkeley Laboratory, Berkeley, CA, USA 94720, , , , , , US

    R.M. Clark, P. Fallon, I.Y. Lee, A.O. Macchiavelli & R.W. Macleod

Authors
  1. T. Bäck
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  2. B. Cederwall
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  3. R. Wyss
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  4. A. Johnson
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  5. J. Cederkäll
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  6. M. Devlin
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  7. J. Elson
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  8. D.R. LaFosse
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  9. F. Lerma
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  10. D.G. Sarantites
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  11. R.M. Clark
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  12. P. Fallon
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  13. I.Y. Lee
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  14. A.O. Macchiavelli
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  15. R.W. Macleod
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Additional information

Received: 20 May 1999 / Revised version: 25 August 1999

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Bäck, T., Cederwall, B., Wyss, R. et al. Observation of superdeformed states in 88Mo . EPJ A 6, 391–397 (1999). https://doi.org/10.1007/s100500050361

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  • DOI: https://doi.org/10.1007/s100500050361

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