Cluster decay in very heavy nuclei in Relativistic Mean Field

TL;DR

This paper investigates exotic cluster decay in very heavy nuclei using a microscopic model with relativistic mean field densities, calculating half-lives and predicting possible decay modes.

Contribution

It applies the Relativistic Mean Field model with FSU Gold force to study cluster decay, incorporating microscopic interactions and the WKB approximation for half-life calculations.

Findings

Half-life values depend simply on cluster mass.

Predictions made for potential decay modes.

Microscopic densities improve decay modeling.

Abstract

Exotic cluster decay of very heavy nuclei has been studied in the microscopic Super-Asymmetric Fission Model. Relativistic Mean Field model with the force FSU Gold has been employed to obtain the densities of the cluster and the daughter nuclei. The microscopic nuclear interaction DDM3Y1, which has an exponential density dependence, and the Coulomb interaction have been used in the double folding model to obtain the potential between the cluster and the daughter. Half life values have been calculated in the WKB approximation and the spectroscopic factors have been extracted. The latter values are seen to have a simple dependence of the mass of the cluster as has been observed earlier. Predictions have been made for some possible decays.