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Spectroscopy of221Th

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Zeitschrift für Physik A Atoms and Nuclei

Abstract

A positive and a negative parity band in221Th have been investigated via the208Pb(16O, 3n)221Th reaction. Strong E1 transitions compete with stretched E2 transitions deexciting levels of alternating parity. The measured averaged <B(E1)/B(E2)>=2.6 · 10−6 fm−2 is similar to that observed in neighbouring nuclei. The level scheme may be interpreted assuming an octupole deformed core.

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Authors and Affiliations

  1. Institut für Kernphysik der Technischen Hochschule Darmstadt, Schlossgartenstrasse 9, D-6100, Darmstadt, Federal Republic of Germany

    M. Dahlinger, E. Hanelt & E. Kankeleit

  2. Physikalisches Institut der Universität Heidelberg, D-6900, Heidelberg, Federal Republic of Germany

    B. Schwartz & D. Schwalm

  3. Max-Planck-Institut für Kernphysik, D-6900, Heidelberg, Federal Republic of Germany

    D. Habs

  4. Gesellschaft für Schwerionenforschung, D-6100, Darmstadt, Federal Republic of Germany

    R. S. Simon

  5. Institut für Physik der Universität Mainz, Postfach 3980, D-6500, Mainz, Federal Republic of Germany

    H. Backe

Authors
  1. M. Dahlinger
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  2. E. Hanelt
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  3. E. Kankeleit
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  4. B. Schwartz
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  5. D. Schwalm
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  6. D. Habs
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  7. R. S. Simon
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  8. H. Backe
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Additional information

We thank H. Folger for target preparation, W. Patzner for the production of the recoil detectors and Ch. Ender, S. Laubach and P. Schwalbach for their help during the experiments.

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Dahlinger, M., Hanelt, E., Kankeleit, E. et al. Spectroscopy of221Th. Z Physik A 321, 535–536 (1985). https://doi.org/10.1007/BF01411991

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  • DOI: https://doi.org/10.1007/BF01411991

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