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Alpha-decay fine structures of U isotopes and systematics for isotopic chains of Po and Rn

  • Regular Article - Theoretical Physics
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Abstract

A model of the cluster radioactivity of even-even nuclei is presented. In this model, the zero-point vibrations in the charge-asymmetry coordinate determine the cluster formation (spectroscopic factor), while the tunneling in the coordinate of the relative separation of the centers of mass of the cluster and the daughter nucleus determines the penetrability of the barrier of the nucleus-nucleus potential. The quality of the model is demonstrated for describing cluster decay half-lives and the fine structure in alpha decays of even-even U isotopes. The model is applied to describe the alpha decays in the isotopic chains of Po, Rn, and U. The correspondence of the calculated half-lives to the Geiger-Nuttall law is discussed.

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Authors and Affiliations

  1. Joint Institute for Nuclear Research, RU-141980, Dubna, Russia

    S. N. Kuklin, T. M. Shneidman, G. G. Adamian & N. V. Antonenko

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  1. S. N. Kuklin
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  2. T. M. Shneidman
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  3. G. G. Adamian
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  4. N. V. Antonenko
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Correspondence to G. G. Adamian.

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Communicated by M. Hjorth-Jensen

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Kuklin, S.N., Shneidman, T.M., Adamian, G.G. et al. Alpha-decay fine structures of U isotopes and systematics for isotopic chains of Po and Rn. Eur. Phys. J. A 48, 112 (2012). https://doi.org/10.1140/epja/i2012-12112-8

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