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The structure and spectroscopy of219Ra

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Czechoslovak Journal of Physics Aims and scope

Abstract

The reassignment of spins in the low lying level structure of219Ra obtained from the alpha decay of223Th and minor changes in the spins and the position of the first observed state in the spectroscopy from the nuclear reaction studies208Pb (14C, 3n)219Ra make possible the correlation of these two level structures which were previously unconnected. The resulting level structure shows very tentativeK = 1/2± and 5/2± parity doublet bands and their evolution from anomalous rotational structures into vibrational like bands with alternating spins and opposite parities, reminiscent of weak coupling to an octupole correlated core. The comparison and contrast of the isobars219Ra and219Fr is also presented.

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Authors and Affiliations

  1. Chemistry and Physics Departments, Florida State University, 32306, Tallahassee, F1, USA

    Raymond K. Sheline

  2. CSNSM, IN2P3-CNRS, Bt 104, F-91405, Campus-Orsay, France

    C. F. Liang & P. Paris

Authors
  1. Raymond K. Sheline
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  2. C. F. Liang
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  3. P. Paris
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Additional information

One of us (RKS) wishes to thank the National Science Foundation for support under contract PHY92-07336 with Florida State University

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Sheline, R.K., Liang, C.F. & Paris, P. The structure and spectroscopy of219Ra. Czech J Phys 43, 603–613 (1993). https://doi.org/10.1007/BF01591536

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  • DOI: https://doi.org/10.1007/BF01591536

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