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Role of Temperature in the Alpha Decay Studies of Heavy and Superheavy Nuclei

  • Nuclear Physics
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A Correction to this article was published on 11 January 2022

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Abstract

The decay half-lives of heavy and superheavy isotopes in the range \(Z=84\hbox{-}118\) are studied with the Cubic plus Proximity(CPP) model by incorporating the thermal effects. The influence of thermal effects on nuclear properties and potential parameters is studied systematically. It comes out that, incorporating temperature leads to an increase in the nuclear radii, reduction in the value of surface energy coefficient, and increases in the nuclear surface width. Also, the signature of neutron magicity is seen to get reflected in the nuclear surface energy coefficient and nuclear surface width. The change in barrier width and height brings out significant changes in tunneling probability and half-life values. The temperature-independent and temperature-dependent interaction potentials are used for half-life calculations, and the values are compared with experimental data and the estimated values of Universal Decay Law. The temperature-dependent cubic plus proximity model calculations of alpha decay half-lives give the lowest root mean square error and exhibit good predictive power in the heavy and superheavy regions.

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  1. Department of Nuclear Physics, University of Madras, Chennai, Tamil Nadu, 600025, India

    G. Naveya & A. Stephen

  2. Department of Physics, Kanchi Mamunivar Government Institute for Postgraduate Studies and Research, Lawspet, Puducherry, 605008, India

    S. Santhosh Kumar

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Naveya, G., Santhosh Kumar, S. & Stephen, A. Role of Temperature in the Alpha Decay Studies of Heavy and Superheavy Nuclei. Braz J Phys 51, 1810–1822 (2021). https://doi.org/10.1007/s13538-021-00999-0

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