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Probable Decay Modes at Limits of Nuclear Stability of the Superheavy Nuclei

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Abstract

The modes of decay for the even–even isotopes of superheavy nuclei of Z = 118 and 120 with neutron number 160 ≤ N ≤ 204 are investigated in the framework of the axially deformed relativistic mean field model. The asymmetry parameter η and the relative neutron–proton asymmetry of the surface to the center (R η ) are estimated from the ground state density distributions of the nucleus. We analyze the resulting asymmetry parameter η and the relative neutron–proton asymmetry R η of the density play a crucial role in the mode(s) of decay and its half-life. Moreover, the excess neutron richness on the surface, facets a superheavy nucleus for β− decays.

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  1. Instituto Tecnológico de Aeronáutica, São José dos Campos, São Paulo, Brazil

    M. Bhuyan

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Bhuyan, M. Probable Decay Modes at Limits of Nuclear Stability of the Superheavy Nuclei. Phys. Atom. Nuclei 81, 15–23 (2018). https://doi.org/10.1134/S1063778818010064

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