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First identification of collective excitations in127Ce

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Zeitschrift für Physik A Atomic Nuclei

Abstract

Collective bands have been identified for the first time in the nucleus127Ce using in- beam spectroscopic techniques. A band developed up to spin 51/2 is proposed to be based on an h11/2 neutron hole configuration. The observed backbend is produced by the alignment of an h11/2 proton pair. Another level sequence is very likely generated by ag7/2 or d5/2 neutron- hole.

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Author information

Author notes

  1. B. M. Nyakó

    Present address: Institute of Nuclear Research of the Hungarian Academy of Sciences, H-4001, Debrecen, Hungary

Authors and Affiliations

  1. Institut des Sciences Nucléaires, F-38026, Grenoble Cedex, France

    B. M. Nyakó, J. Gizon, V. Barci, A. Gizon, S. André, D. Barnéoud & J. Genevey

  2. Centre de Recherches Nucléaires, F-67037, Strasbourg Cedex, France

    D. Curien & J. C. Merdinger

Authors
  1. B. M. Nyakó
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  2. J. Gizon
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  3. V. Barci
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  4. A. Gizon
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  5. S. André
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  6. D. Barnéoud
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  7. D. Curien
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  8. J. Genevey
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  9. J. C. Merdinger
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Additional information

We are grateful to R. Wyss for fruitful discussions and for communication of the results of TRS calculations. We thank J.P. Richaud for the preparation of the selfsupporting targets.One of the authors (B.M.N.) is indebted to the Joseph Fourier University at Grenoble and IN2P3 for financial supports.

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Nyakó, B.M., Gizon, J., Barci, V. et al. First identification of collective excitations in127Ce. Z. Physik A - Atomic Nuclei 334, 513–514 (1989). https://doi.org/10.1007/BF01294759

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  • DOI: https://doi.org/10.1007/BF01294759

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