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Occurrence of alternating parity levels in bands of the odd-Z219Ac nucleus

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Zeitschrift für Physik A Atoms and Nuclei

Abstract

Excited states of219Ac have been investigated via the209Bi(13C,3n) and208pb(15N,4n) reactions by means of in- beam gamma spectroscopy. In two “bands”, the positive and negative parity members are strongly connected by E1 transitions and the measured B(E1)/B(E2) ratio is slightly larger than in218Ra.

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Author information

Author notes

  1. O. Helene

    Present address: Institute de Fisica, Universidade de Sao Paulo, Brazil

Authors and Affiliations

  1. Centre de Recherches Nucléaires et Université Louis Pasteur, F-67037, Strasbourg, France

    S. Khazrouni, A. Chevallier, J. Chevallier, O. Helene, G. Ramanantsizehena & N. Schulz

Authors
  1. S. Khazrouni
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  2. A. Chevallier
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  3. J. Chevallier
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  4. O. Helene
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  5. G. Ramanantsizehena
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  6. N. Schulz
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Additional information

On leave from Laboratoire PNPA, Université de Madagascar, Madagascar

The authors are indebted to Dr. B.Haas for valuable comments concerning the quasi angular distribution measurements. Stimulating discussions with Dr. J.Dudek were mush appreciated. The authors also thank Drs. L.Kraus and I.Linck who participated in the earlier part of the experiment.

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Khazrouni, S., Chevallier, A., Chevallier, J. et al. Occurrence of alternating parity levels in bands of the odd-Z219Ac nucleus. Z Physik A 320, 535–536 (1985). https://doi.org/10.1007/BF01415734

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  • DOI: https://doi.org/10.1007/BF01415734

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