Recent $\alpha$ decay half-lives and analytic expression predictions including superheavy nuclei

TL;DR

This paper compares recent experimental alpha decay half-lives with various theoretical formulas, including new predictions for superheavy nuclei, enhancing understanding of nuclear decay properties.

Contribution

It evaluates the accuracy of existing formulas against recent data and extends predictions to unknown superheavy nuclei using extrapolated Q-values.

Findings

Good agreement between experimental data and formulas for known nuclei

Validation of formulas for superheavy nuclei predictions

Extended predictions for unknown superheavy alpha decay half-lives

Abstract

New recent experimental $\alpha$ decay half-lives have been compared with the results obtained from previously proposed formulas depending only on the mass and charge numbers of the $\alpha$ emitter and the Q$\alpha$ value. For the heaviest nuclei they are also compared with calculations using the Density-Dependent M3Y (DDM3Y) effective interaction and the Viola-Seaborg-Sobiczewski (VSS) formulas. The correct agreement allows us to make predictions for the $\alpha$ decay half-lives of other still unknown superheavy nuclei from these analytic formulas using the extrapolated Q$\alpha$ of G. Audi, A. H. Wapstra, and C. Thibault [Nucl. Phys. A729, 337 (2003)].