\begin{document}$ 52 \leq Z \leq 118 $\end{document} are utilized to enhance empirical formulas with updated coefficients. These formulas are enhanced by analyzing the contributions of orbital angular momentum and isospin asymmetry. The effect of deformation of daughter nuclei on the α-decay half-life is modeled by incorporating two additional terms, dependent on the quadrupole and hexadecapole deformation parameters, into the empirical formulas for α-decay half-lives. Incorporating these deformation-dependent terms, along with angular momentum and isospin asymmetry, we improve the standard deviation by approximately 17%. The revised empirical formulas for α-decay half-lives demonstrate better agreement with experimental data when deformation factors are included. The modified formulas are validated through comparisons with recent experimental results and further theoretical predictions. This paper presents and compares α-decay half-life predictions for several isotopes of superheavy nuclei with \begin{document}$ Z = 120-126 $\end{document}, which are yet to be experimentally synthesized. For various isotopes of each element, the variation in \begin{document}$ \log_{10} T_{\alpha} $\end{document} with changes in the neutron number is also explored."> Enhanced empirical formulas for <i>α</i>-decay of heavy and superheavy nuclei: Incorporating deformation effects of daughter nuclei -
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