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Two-proton neutron-hole yrast excitations in 14766 Dy81

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Zeitschrift für Physik A Atoms and Nuclei

Abstract

The level structure of theN=81 nucleus147Dy has been studied byγ-ray spectroscopy following reactions of 230–250 MeV58,60Ni beams on89Y and90,92Zr targets. Yrast and near-yrast levels in147Dy above the known 59-s 11/2− state are established up to ∼3.7 MeV; they include isomeric levels at 2,681, 3,407 and 3,650 keV. Guided by the results of shell model calculations, we interpret most of the observed level as senioritythree states arising from the coupling ofs 1/2,d 3/2, andh 11/2 neutron holes withπh 11/2 2.

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Author notes

  1. R. Broda

    Present address: Institute of Nuclear Physics, Cracow, Poland

  2. H. Helppi

    Present address: Lapeenranta University of Technology, Lapeenranta, Finland

  3. M. Kortelahti

    Present address: University of Jyväskylä, Jyväskylä, Finland

Authors and Affiliations

  1. Purdue University, W. Lafayette, Indiana, USA

    R. Broda, P. J. Daly, Z. W. Grabowski, H. Helppi, M. Kortelahti & J. McNeill

  2. Argonne National Laboratory, Argonne, Illinois, USA

    R. V. F. Janssens, R. D. Lawson & D. C. Radford

  3. Research Institute of Physics, Stockholm, Sweden

    J. Blomqvist

Authors
  1. R. Broda
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  2. P. J. Daly
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  3. Z. W. Grabowski
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  4. H. Helppi
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  5. M. Kortelahti
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  6. J. McNeill
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  7. R. V. F. Janssens
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  8. R. D. Lawson
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  9. D. C. Radford
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  10. J. Blomqvist
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Work supported by the U.S. Department of Energy

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Broda, R., Daly, P.J., Grabowski, Z.W. et al. Two-proton neutron-hole yrast excitations in 14766 Dy81 . Z Physik A 321, 287–295 (1985). https://doi.org/10.1007/BF01493450

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  • DOI: https://doi.org/10.1007/BF01493450

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