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Effect of the Structure of Light Loosely Bound Nuclei on the Mechanisms of Nuclear Reactions

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Abstract

The results of experiments devoted to studying fusion and transfer reactions in beams of loosely bound (3He) and cluster (6Li, 7Li) nuclei, as well as nuclei that have a halo structure (6He and 8He), with nuclei of light and heavy elements are generalized. Special features in the behavior of cross sections for the formation of evaporation residues and transfer-reaction products at energies near the barrier are revealed. The behavior of cross sections for nucleon- and cluster-transfer reactions leads to different populations of single-particle and collective states in target-like nuclei. The effect of various channels of nuclear reactions involving light nuclei on the population of the 195mHg and 197mHg(13/2+), 198mTl and 196mTl(7+), and 196mAu and 198mAu(12−) pairs of isomeric states is considered. The values of the isomeric ratios (σm/σg) for reaction products originating from fusion reactions followed by particle evaporation and from nucleon-and cluster-transfer reactions are explained.

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Authors and Affiliations

  1. Joint Institute for Nuclear Research, Dubna, Moscow oblast, 141980, Russia

    N. K. Skobelev

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Russian Text © The Author(s), 2019, published in Yadernaya Fizika, 2019, Vol. 82, No. 4, pp. 312–319.

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Skobelev, N.K. Effect of the Structure of Light Loosely Bound Nuclei on the Mechanisms of Nuclear Reactions. Phys. Atom. Nuclei 82, 358–365 (2019). https://doi.org/10.1134/S1063778819040185

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  • DOI: https://doi.org/10.1134/S1063778819040185

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